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Finding the Fourth Proportional to 227,502.90, 313,957.24 and 125,532.80

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Solution

The fourth proportional to 227,502.90, 313,957.24 and 125,532.80 is: 173,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,502.90 : 313,957.24 = 125,532.80 : x
  2. Step 2: Convert to fraction form
    227,502.90/313,957.24 = 125,532.80/x
  3. Step 3: Cross multiply
    227,502.90x = 313,957.24 × 125,532.80
  4. Step 4: Simplify right side
    227,502.90x = 39,411,931,417.47
  5. Step 5: Solve for x
    x = 39,411,931,417.47/227,502.90
  6. Step 6: Final answer
    x = 173,237.05

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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.