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Finding the Fourth Proportional to 113,281.60, 169,922.40 and 97,535.20

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Solution

The fourth proportional to 113,281.60, 169,922.40 and 97,535.20 is: 146,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,281.60 : 169,922.40 = 97,535.20 : x
  2. Step 2: Convert to fraction form
    113,281.60/169,922.40 = 97,535.20/x
  3. Step 3: Cross multiply
    113,281.60x = 169,922.40 × 97,535.20
  4. Step 4: Simplify right side
    113,281.60x = 16,573,415,268.48
  5. Step 5: Solve for x
    x = 16,573,415,268.48/113,281.60
  6. Step 6: Final answer
    x = 146,302.80

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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.