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Finding the Fourth Proportional to 59,117.40, 88,676.10 and 56,784.60

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Solution

The fourth proportional to 59,117.40, 88,676.10 and 56,784.60 is: 85,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,117.40 : 88,676.10 = 56,784.60 : x
  2. Step 2: Convert to fraction form
    59,117.40/88,676.10 = 56,784.60/x
  3. Step 3: Cross multiply
    59,117.40x = 88,676.10 × 56,784.60
  4. Step 4: Simplify right side
    59,117.40x = 5,035,436,868.06
  5. Step 5: Solve for x
    x = 5,035,436,868.06/59,117.40
  6. Step 6: Final answer
    x = 85,176.90

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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.