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Finding the Fourth Proportional to 118,455.52, 163,468.24 and 64,740.92

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Solution

The fourth proportional to 118,455.52, 163,468.24 and 64,740.92 is: 89,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,455.52 : 163,468.24 = 64,740.92 : x
  2. Step 2: Convert to fraction form
    118,455.52/163,468.24 = 64,740.92/x
  3. Step 3: Cross multiply
    118,455.52x = 163,468.24 × 64,740.92
  4. Step 4: Simplify right side
    118,455.52x = 10,583,084,248.38
  5. Step 5: Solve for x
    x = 10,583,084,248.38/118,455.52
  6. Step 6: Final answer
    x = 89,342.26

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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.