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Finding the Fourth Proportional to 132,955, 199,320.64 and 61,841.52

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Solution

The fourth proportional to 132,955, 199,320.64 and 61,841.52 is: 92,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,955 : 199,320.64 = 61,841.52 : x
  2. Step 2: Convert to fraction form
    132,955/199,320.64 = 61,841.52/x
  3. Step 3: Cross multiply
    132,955x = 199,320.64 × 61,841.52
  4. Step 4: Simplify right side
    132,955x = 12,326,291,344.97
  5. Step 5: Solve for x
    x = 12,326,291,344.97/132,955
  6. Step 6: Final answer
    x = 92,710.25

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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.