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Finding the Fourth Proportional to 117,006.70, 175,510.05 and 87,482.20

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Solution

The fourth proportional to 117,006.70, 175,510.05 and 87,482.20 is: 131,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006.70 : 175,510.05 = 87,482.20 : x
  2. Step 2: Convert to fraction form
    117,006.70/175,510.05 = 87,482.20/x
  3. Step 3: Cross multiply
    117,006.70x = 175,510.05 × 87,482.20
  4. Step 4: Simplify right side
    117,006.70x = 15,354,005,296.11
  5. Step 5: Solve for x
    x = 15,354,005,296.11/117,006.70
  6. Step 6: Final answer
    x = 131,223.30

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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.