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Finding the Fourth Proportional to 149,307.20, 224,047.20 and 55,822.40

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Solution

The fourth proportional to 149,307.20, 224,047.20 and 55,822.40 is: 83,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,307.20 : 224,047.20 = 55,822.40 : x
  2. Step 2: Convert to fraction form
    149,307.20/224,047.20 = 55,822.40/x
  3. Step 3: Cross multiply
    149,307.20x = 224,047.20 × 55,822.40
  4. Step 4: Simplify right side
    149,307.20x = 12,506,852,417.28
  5. Step 5: Solve for x
    x = 12,506,852,417.28/149,307.20
  6. Step 6: Final answer
    x = 83,765.90

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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.