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Finding the Fourth Proportional to 163,017.64, 224,953.08 and 90,413.68

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Solution

The fourth proportional to 163,017.64, 224,953.08 and 90,413.68 is: 124,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,017.64 : 224,953.08 = 90,413.68 : x
  2. Step 2: Convert to fraction form
    163,017.64/224,953.08 = 90,413.68/x
  3. Step 3: Cross multiply
    163,017.64x = 224,953.08 × 90,413.68
  4. Step 4: Simplify right side
    163,017.64x = 20,338,835,943.17
  5. Step 5: Solve for x
    x = 20,338,835,943.17/163,017.64
  6. Step 6: Final answer
    x = 124,764.63

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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.