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Finding the Fourth Proportional to 116,900.86, 175,308.23 and 42,000.97

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Solution

The fourth proportional to 116,900.86, 175,308.23 and 42,000.97 is: 62,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,900.86 : 175,308.23 = 42,000.97 : x
  2. Step 2: Convert to fraction form
    116,900.86/175,308.23 = 42,000.97/x
  3. Step 3: Cross multiply
    116,900.86x = 175,308.23 × 42,000.97
  4. Step 4: Simplify right side
    116,900.86x = 7,363,115,708.98
  5. Step 5: Solve for x
    x = 7,363,115,708.98/116,900.86
  6. Step 6: Final answer
    x = 62,985.98

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1.5x scale

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.