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Finding the Fourth Proportional to 127,542.88, 176,009.04 and 70,953.04

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Solution

The fourth proportional to 127,542.88, 176,009.04 and 70,953.04 is: 97,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,542.88 : 176,009.04 = 70,953.04 : x
  2. Step 2: Convert to fraction form
    127,542.88/176,009.04 = 70,953.04/x
  3. Step 3: Cross multiply
    127,542.88x = 176,009.04 × 70,953.04
  4. Step 4: Simplify right side
    127,542.88x = 12,488,376,455.48
  5. Step 5: Solve for x
    x = 12,488,376,455.48/127,542.88
  6. Step 6: Final answer
    x = 97,915.12

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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.