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Finding the Fourth Proportional to 114,319.84, 157,413.72 and 101,387.20

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Solution

The fourth proportional to 114,319.84, 157,413.72 and 101,387.20 is: 139,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,319.84 : 157,413.72 = 101,387.20 : x
  2. Step 2: Convert to fraction form
    114,319.84/157,413.72 = 101,387.20/x
  3. Step 3: Cross multiply
    114,319.84x = 157,413.72 × 101,387.20
  4. Step 4: Simplify right side
    114,319.84x = 15,959,736,312.38
  5. Step 5: Solve for x
    x = 15,959,736,312.38/114,319.84
  6. Step 6: Final answer
    x = 139,606.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.