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Finding the Fourth Proportional to 112,352.60, 168,310.20 and 62,343.20

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Solution

The fourth proportional to 112,352.60, 168,310.20 and 62,343.20 is: 93,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,352.60 : 168,310.20 = 62,343.20 : x
  2. Step 2: Convert to fraction form
    112,352.60/168,310.20 = 62,343.20/x
  3. Step 3: Cross multiply
    112,352.60x = 168,310.20 × 62,343.20
  4. Step 4: Simplify right side
    112,352.60x = 10,492,996,460.64
  5. Step 5: Solve for x
    x = 10,492,996,460.64/112,352.60
  6. Step 6: Final answer
    x = 93,393.45

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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.