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Finding the Fourth Proportional to 147,754.80, 221,567.40 and 58,978.80

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Solution

The fourth proportional to 147,754.80, 221,567.40 and 58,978.80 is: 88,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,754.80 : 221,567.40 = 58,978.80 : x
  2. Step 2: Convert to fraction form
    147,754.80/221,567.40 = 58,978.80/x
  3. Step 3: Cross multiply
    147,754.80x = 221,567.40 × 58,978.80
  4. Step 4: Simplify right side
    147,754.80x = 13,067,779,371.12
  5. Step 5: Solve for x
    x = 13,067,779,371.12/147,754.80
  6. Step 6: Final answer
    x = 88,442.33

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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.