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Finding the Fourth Proportional to 99,250,660.20, 139,094,413.35 and 99,250,660.20

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Solution

The fourth proportional to 99,250,660.20, 139,094,413.35 and 99,250,660.20 is: 139,094,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,250,660.20 : 139,094,413.35 = 99,250,660.20 : x
  2. Step 2: Convert to fraction form
    99,250,660.20/139,094,413.35 = 99,250,660.20/x
  3. Step 3: Cross multiply
    99,250,660.20x = 139,094,413.35 × 99,250,660.20
  4. Step 4: Simplify right side
    99,250,660.20x = 13,805,212,355,119,194
  5. Step 5: Solve for x
    x = 13,805,212,355,119,194/99,250,660.20
  6. Step 6: Final answer
    x = 139,094,413.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.