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Finding the Fourth Proportional to 92,543.23, 138,871.95 and 36,373.47

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Solution

The fourth proportional to 92,543.23, 138,871.95 and 36,373.47 is: 54,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,543.23 : 138,871.95 = 36,373.47 : x
  2. Step 2: Convert to fraction form
    92,543.23/138,871.95 = 36,373.47/x
  3. Step 3: Cross multiply
    92,543.23x = 138,871.95 × 36,373.47
  4. Step 4: Simplify right side
    92,543.23x = 5,051,254,707.17
  5. Step 5: Solve for x
    x = 5,051,254,707.17/92,543.23
  6. Step 6: Final answer
    x = 54,582.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.