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Finding the Fourth Proportional to 125,228.59, 187,860.56 and 40,995.58

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Solution

The fourth proportional to 125,228.59, 187,860.56 and 40,995.58 is: 61,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,228.59 : 187,860.56 = 40,995.58 : x
  2. Step 2: Convert to fraction form
    125,228.59/187,860.56 = 40,995.58/x
  3. Step 3: Cross multiply
    125,228.59x = 187,860.56 × 40,995.58
  4. Step 4: Simplify right side
    125,228.59x = 7,701,452,616.32
  5. Step 5: Solve for x
    x = 7,701,452,616.32/125,228.59
  6. Step 6: Final answer
    x = 61,499.16

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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.