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Finding the Fourth Proportional to 88,815.40, 133,368.90 and 59,363.80

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Solution

The fourth proportional to 88,815.40, 133,368.90 and 59,363.80 is: 89,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,815.40 : 133,368.90 = 59,363.80 : x
  2. Step 2: Convert to fraction form
    88,815.40/133,368.90 = 59,363.80/x
  3. Step 3: Cross multiply
    88,815.40x = 133,368.90 × 59,363.80
  4. Step 4: Simplify right side
    88,815.40x = 7,917,284,705.82
  5. Step 5: Solve for x
    x = 7,917,284,705.82/88,815.40
  6. Step 6: Final answer
    x = 89,143.15

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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.