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Finding the Fourth Proportional to 92,854.77, 128,245.10 and 62,587.86

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Solution

The fourth proportional to 92,854.77, 128,245.10 and 62,587.86 is: 86,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,854.77 : 128,245.10 = 62,587.86 : x
  2. Step 2: Convert to fraction form
    92,854.77/128,245.10 = 62,587.86/x
  3. Step 3: Cross multiply
    92,854.77x = 128,245.10 × 62,587.86
  4. Step 4: Simplify right side
    92,854.77x = 8,026,586,051.55
  5. Step 5: Solve for x
    x = 8,026,586,051.55/92,854.77
  6. Step 6: Final answer
    x = 86,442.37

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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.