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Finding the Fourth Proportional to 191,343.80, 287,019.22 and 83,262.26

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Solution

The fourth proportional to 191,343.80, 287,019.22 and 83,262.26 is: 124,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,343.80 : 287,019.22 = 83,262.26 : x
  2. Step 2: Convert to fraction form
    191,343.80/287,019.22 = 83,262.26/x
  3. Step 3: Cross multiply
    191,343.80x = 287,019.22 × 83,262.26
  4. Step 4: Simplify right side
    191,343.80x = 23,897,868,920.64
  5. Step 5: Solve for x
    x = 23,897,868,920.64/191,343.80
  6. Step 6: Final answer
    x = 124,894.92

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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.