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Finding the Fourth Proportional to 92,287.76, 127,366.63 and 56,501.55

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Solution

The fourth proportional to 92,287.76, 127,366.63 and 56,501.55 is: 77,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,287.76 : 127,366.63 = 56,501.55 : x
  2. Step 2: Convert to fraction form
    92,287.76/127,366.63 = 56,501.55/x
  3. Step 3: Cross multiply
    92,287.76x = 127,366.63 × 56,501.55
  4. Step 4: Simplify right side
    92,287.76x = 7,196,411,872.02
  5. Step 5: Solve for x
    x = 7,196,411,872.02/92,287.76
  6. Step 6: Final answer
    x = 77,977.97

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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.