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Finding the Fourth Proportional to 92,288.60, 127,363.56 and 56,468.60

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Solution

The fourth proportional to 92,288.60, 127,363.56 and 56,468.60 is: 77,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,288.60 : 127,363.56 = 56,468.60 : x
  2. Step 2: Convert to fraction form
    92,288.60/127,363.56 = 56,468.60/x
  3. Step 3: Cross multiply
    92,288.60x = 127,363.56 × 56,468.60
  4. Step 4: Simplify right side
    92,288.60x = 7,192,041,924.22
  5. Step 5: Solve for x
    x = 7,192,041,924.22/92,288.60
  6. Step 6: Final answer
    x = 77,929.91

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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.