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Finding the Fourth Proportional to 191,101.60, 286,578.64 and 62,987.12

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Solution

The fourth proportional to 191,101.60, 286,578.64 and 62,987.12 is: 94,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,101.60 : 286,578.64 = 62,987.12 : x
  2. Step 2: Convert to fraction form
    191,101.60/286,578.64 = 62,987.12/x
  3. Step 3: Cross multiply
    191,101.60x = 286,578.64 × 62,987.12
  4. Step 4: Simplify right side
    191,101.60x = 18,050,763,187.12
  5. Step 5: Solve for x
    x = 18,050,763,187.12/191,101.60
  6. Step 6: Final answer
    x = 94,456.37

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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.