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Finding the Fourth Proportional to 92,567.68, 127,742.40 and 52,281.52

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Solution

The fourth proportional to 92,567.68, 127,742.40 and 52,281.52 is: 72,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,567.68 : 127,742.40 = 52,281.52 : x
  2. Step 2: Convert to fraction form
    92,567.68/127,742.40 = 52,281.52/x
  3. Step 3: Cross multiply
    92,567.68x = 127,742.40 × 52,281.52
  4. Step 4: Simplify right side
    92,567.68x = 6,678,566,840.45
  5. Step 5: Solve for x
    x = 6,678,566,840.45/92,567.68
  6. Step 6: Final answer
    x = 72,147.93

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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.