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Finding the Fourth Proportional to 113,860.60, 170,790.90 and 101,066.65

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Solution

The fourth proportional to 113,860.60, 170,790.90 and 101,066.65 is: 151,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,860.60 : 170,790.90 = 101,066.65 : x
  2. Step 2: Convert to fraction form
    113,860.60/170,790.90 = 101,066.65/x
  3. Step 3: Cross multiply
    113,860.60x = 170,790.90 × 101,066.65
  4. Step 4: Simplify right side
    113,860.60x = 17,261,264,113.49
  5. Step 5: Solve for x
    x = 17,261,264,113.49/113,860.60
  6. Step 6: Final answer
    x = 151,599.98

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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.