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Finding the Fourth Proportional to 229,767.71, 317,073.89 and 127,792.86

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Solution

The fourth proportional to 229,767.71, 317,073.89 and 127,792.86 is: 176,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,767.71 : 317,073.89 = 127,792.86 : x
  2. Step 2: Convert to fraction form
    229,767.71/317,073.89 = 127,792.86/x
  3. Step 3: Cross multiply
    229,767.71x = 317,073.89 × 127,792.86
  4. Step 4: Simplify right side
    229,767.71x = 40,519,778,364.88
  5. Step 5: Solve for x
    x = 40,519,778,364.88/229,767.71
  6. Step 6: Final answer
    x = 176,351.06

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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.