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Finding the Fourth Proportional to 155,953.70, 233,930.55 and 146,112.20

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Solution

The fourth proportional to 155,953.70, 233,930.55 and 146,112.20 is: 219,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,953.70 : 233,930.55 = 146,112.20 : x
  2. Step 2: Convert to fraction form
    155,953.70/233,930.55 = 146,112.20/x
  3. Step 3: Cross multiply
    155,953.70x = 233,930.55 × 146,112.20
  4. Step 4: Simplify right side
    155,953.70x = 34,180,107,307.71
  5. Step 5: Solve for x
    x = 34,180,107,307.71/155,953.70
  6. Step 6: Final answer
    x = 219,168.30

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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.