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Finding the Fourth Proportional to 153,650.96, 230,483.74 and 74,671.10

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Solution

The fourth proportional to 153,650.96, 230,483.74 and 74,671.10 is: 112,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,650.96 : 230,483.74 = 74,671.10 : x
  2. Step 2: Convert to fraction form
    153,650.96/230,483.74 = 74,671.10/x
  3. Step 3: Cross multiply
    153,650.96x = 230,483.74 × 74,671.10
  4. Step 4: Simplify right side
    153,650.96x = 17,210,474,397.91
  5. Step 5: Solve for x
    x = 17,210,474,397.91/153,650.96
  6. Step 6: Final answer
    x = 112,010.20

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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.