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Finding the Fourth Proportional to 127,854.66, 176,515.11 and 113,668.32

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Solution

The fourth proportional to 127,854.66, 176,515.11 and 113,668.32 is: 156,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,854.66 : 176,515.11 = 113,668.32 : x
  2. Step 2: Convert to fraction form
    127,854.66/176,515.11 = 113,668.32/x
  3. Step 3: Cross multiply
    127,854.66x = 176,515.11 × 113,668.32
  4. Step 4: Simplify right side
    127,854.66x = 20,064,176,008.32
  5. Step 5: Solve for x
    x = 20,064,176,008.32/127,854.66
  6. Step 6: Final answer
    x = 156,929.56

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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.