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Finding the Fourth Proportional to 147,094.80, 220,567.32 and 72,220.56

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Solution

The fourth proportional to 147,094.80, 220,567.32 and 72,220.56 is: 108,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,094.80 : 220,567.32 = 72,220.56 : x
  2. Step 2: Convert to fraction form
    147,094.80/220,567.32 = 72,220.56/x
  3. Step 3: Cross multiply
    147,094.80x = 220,567.32 × 72,220.56
  4. Step 4: Simplify right side
    147,094.80x = 15,929,495,368.10
  5. Step 5: Solve for x
    x = 15,929,495,368.10/147,094.80
  6. Step 6: Final answer
    x = 108,294.08

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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.