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Finding the Fourth Proportional to 61,903.30, 92,854.95 and 57,966.70

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Solution

The fourth proportional to 61,903.30, 92,854.95 and 57,966.70 is: 86,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,903.30 : 92,854.95 = 57,966.70 : x
  2. Step 2: Convert to fraction form
    61,903.30/92,854.95 = 57,966.70/x
  3. Step 3: Cross multiply
    61,903.30x = 92,854.95 × 57,966.70
  4. Step 4: Simplify right side
    61,903.30x = 5,382,495,030.17
  5. Step 5: Solve for x
    x = 5,382,495,030.17/61,903.30
  6. Step 6: Final answer
    x = 86,950.05

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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.