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Finding the Fourth Proportional to 113,097.80, 169,646.70 and 101,822.60

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Solution

The fourth proportional to 113,097.80, 169,646.70 and 101,822.60 is: 152,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,097.80 : 169,646.70 = 101,822.60 : x
  2. Step 2: Convert to fraction form
    113,097.80/169,646.70 = 101,822.60/x
  3. Step 3: Cross multiply
    113,097.80x = 169,646.70 × 101,822.60
  4. Step 4: Simplify right side
    113,097.80x = 17,273,868,075.42
  5. Step 5: Solve for x
    x = 17,273,868,075.42/113,097.80
  6. Step 6: Final answer
    x = 152,733.90

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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.