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Finding the Fourth Proportional to 153,885.70, 230,828.55 and 153,010.90

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Solution

The fourth proportional to 153,885.70, 230,828.55 and 153,010.90 is: 229,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,885.70 : 230,828.55 = 153,010.90 : x
  2. Step 2: Convert to fraction form
    153,885.70/230,828.55 = 153,010.90/x
  3. Step 3: Cross multiply
    153,885.70x = 230,828.55 × 153,010.90
  4. Step 4: Simplify right side
    153,885.70x = 35,319,284,181.20
  5. Step 5: Solve for x
    x = 35,319,284,181.20/153,885.70
  6. Step 6: Final answer
    x = 229,516.35

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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.