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Finding the Fourth Proportional to 113,046.60, 169,569.90 and 106,595.40

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Solution

The fourth proportional to 113,046.60, 169,569.90 and 106,595.40 is: 159,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,046.60 : 169,569.90 = 106,595.40 : x
  2. Step 2: Convert to fraction form
    113,046.60/169,569.90 = 106,595.40/x
  3. Step 3: Cross multiply
    113,046.60x = 169,569.90 × 106,595.40
  4. Step 4: Simplify right side
    113,046.60x = 18,075,371,318.46
  5. Step 5: Solve for x
    x = 18,075,371,318.46/113,046.60
  6. Step 6: Final answer
    x = 159,893.10

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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.