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Finding the Fourth Proportional to 154,576.40, 232,210.20 and 148,278.80

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Solution

The fourth proportional to 154,576.40, 232,210.20 and 148,278.80 is: 222,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,576.40 : 232,210.20 = 148,278.80 : x
  2. Step 2: Convert to fraction form
    154,576.40/232,210.20 = 148,278.80/x
  3. Step 3: Cross multiply
    154,576.40x = 232,210.20 × 148,278.80
  4. Step 4: Simplify right side
    154,576.40x = 34,431,849,803.76
  5. Step 5: Solve for x
    x = 34,431,849,803.76/154,576.40
  6. Step 6: Final answer
    x = 222,749.72

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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.