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Finding the Fourth Proportional to 127,598.71, 176,086.29 and 73,886.58

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Solution

The fourth proportional to 127,598.71, 176,086.29 and 73,886.58 is: 101,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598.71 : 176,086.29 = 73,886.58 : x
  2. Step 2: Convert to fraction form
    127,598.71/176,086.29 = 73,886.58/x
  3. Step 3: Cross multiply
    127,598.71x = 176,086.29 × 73,886.58
  4. Step 4: Simplify right side
    127,598.71x = 13,010,413,752.99
  5. Step 5: Solve for x
    x = 13,010,413,752.99/127,598.71
  6. Step 6: Final answer
    x = 101,963.52

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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.