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Finding the Fourth Proportional to 88,647.40, 133,035.90 and 62,403.40

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Solution

The fourth proportional to 88,647.40, 133,035.90 and 62,403.40 is: 93,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,647.40 : 133,035.90 = 62,403.40 : x
  2. Step 2: Convert to fraction form
    88,647.40/133,035.90 = 62,403.40/x
  3. Step 3: Cross multiply
    88,647.40x = 133,035.90 × 62,403.40
  4. Step 4: Simplify right side
    88,647.40x = 8,301,892,482.06
  5. Step 5: Solve for x
    x = 8,301,892,482.06/88,647.40
  6. Step 6: Final answer
    x = 93,650.72

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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.