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Finding the Fourth Proportional to 191,681.52, 287,566.02 and 58,580.70

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Solution

The fourth proportional to 191,681.52, 287,566.02 and 58,580.70 is: 87,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,681.52 : 287,566.02 = 58,580.70 : x
  2. Step 2: Convert to fraction form
    191,681.52/287,566.02 = 58,580.70/x
  3. Step 3: Cross multiply
    191,681.52x = 287,566.02 × 58,580.70
  4. Step 4: Simplify right side
    191,681.52x = 16,845,818,747.81
  5. Step 5: Solve for x
    x = 16,845,818,747.81/191,681.52
  6. Step 6: Final answer
    x = 87,884.42

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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.