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Finding the Fourth Proportional to 125,775.95, 188,665.28 and 37,031.13

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Solution

The fourth proportional to 125,775.95, 188,665.28 and 37,031.13 is: 55,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,775.95 : 188,665.28 = 37,031.13 : x
  2. Step 2: Convert to fraction form
    125,775.95/188,665.28 = 37,031.13/x
  3. Step 3: Cross multiply
    125,775.95x = 188,665.28 × 37,031.13
  4. Step 4: Simplify right side
    125,775.95x = 6,986,488,325.01
  5. Step 5: Solve for x
    x = 6,986,488,325.01/125,775.95
  6. Step 6: Final answer
    x = 55,547.09

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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.