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Finding the Fourth Proportional to 88,115.40, 132,000.30 and 52,950.60

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Solution

The fourth proportional to 88,115.40, 132,000.30 and 52,950.60 is: 79,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.40 : 132,000.30 = 52,950.60 : x
  2. Step 2: Convert to fraction form
    88,115.40/132,000.30 = 52,950.60/x
  3. Step 3: Cross multiply
    88,115.40x = 132,000.30 × 52,950.60
  4. Step 4: Simplify right side
    88,115.40x = 6,989,495,085.18
  5. Step 5: Solve for x
    x = 6,989,495,085.18/88,115.40
  6. Step 6: Final answer
    x = 79,322.06

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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.