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Finding the Fourth Proportional to 88,767.70, 133,038.15 and 36,117.70

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Solution

The fourth proportional to 88,767.70, 133,038.15 and 36,117.70 is: 54,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,767.70 : 133,038.15 = 36,117.70 : x
  2. Step 2: Convert to fraction form
    88,767.70/133,038.15 = 36,117.70/x
  3. Step 3: Cross multiply
    88,767.70x = 133,038.15 × 36,117.70
  4. Step 4: Simplify right side
    88,767.70x = 4,805,031,990.26
  5. Step 5: Solve for x
    x = 4,805,031,990.26/88,767.70
  6. Step 6: Final answer
    x = 54,130.41

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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.