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Finding the Fourth Proportional to 127,151.52, 175,467.82 and 70,562.90

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Solution

The fourth proportional to 127,151.52, 175,467.82 and 70,562.90 is: 97,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,151.52 : 175,467.82 = 70,562.90 : x
  2. Step 2: Convert to fraction form
    127,151.52/175,467.82 = 70,562.90/x
  3. Step 3: Cross multiply
    127,151.52x = 175,467.82 × 70,562.90
  4. Step 4: Simplify right side
    127,151.52x = 12,381,518,235.88
  5. Step 5: Solve for x
    x = 12,381,518,235.88/127,151.52
  6. Step 6: Final answer
    x = 97,376.09

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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.