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Finding the Fourth Proportional to 234,407.55, 323,482.38 and 126,977.55

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Solution

The fourth proportional to 234,407.55, 323,482.38 and 126,977.55 is: 175,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,407.55 : 323,482.38 = 126,977.55 : x
  2. Step 2: Convert to fraction form
    234,407.55/323,482.38 = 126,977.55/x
  3. Step 3: Cross multiply
    234,407.55x = 323,482.38 × 126,977.55
  4. Step 4: Simplify right side
    234,407.55x = 41,075,000,080.57
  5. Step 5: Solve for x
    x = 41,075,000,080.57/234,407.55
  6. Step 6: Final answer
    x = 175,229.00

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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.