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Finding the Fourth Proportional to 220,750.02, 304,641.54 and 156,334.50

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Solution

The fourth proportional to 220,750.02, 304,641.54 and 156,334.50 is: 215,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,750.02 : 304,641.54 = 156,334.50 : x
  2. Step 2: Convert to fraction form
    220,750.02/304,641.54 = 156,334.50/x
  3. Step 3: Cross multiply
    220,750.02x = 304,641.54 × 156,334.50
  4. Step 4: Simplify right side
    220,750.02x = 47,625,982,835.13
  5. Step 5: Solve for x
    x = 47,625,982,835.13/220,750.02
  6. Step 6: Final answer
    x = 215,746.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.