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Finding the Fourth Proportional to 147,315.60, 220,973.34 and 36,507.60

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Solution

The fourth proportional to 147,315.60, 220,973.34 and 36,507.60 is: 54,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,315.60 : 220,973.34 = 36,507.60 : x
  2. Step 2: Convert to fraction form
    147,315.60/220,973.34 = 36,507.60/x
  3. Step 3: Cross multiply
    147,315.60x = 220,973.34 × 36,507.60
  4. Step 4: Simplify right side
    147,315.60x = 8,067,206,307.38
  5. Step 5: Solve for x
    x = 8,067,206,307.38/147,315.60
  6. Step 6: Final answer
    x = 54,761.39

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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.