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Finding the Fourth Proportional to 153,689.72, 230,534.60 and 41,370.20

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Solution

The fourth proportional to 153,689.72, 230,534.60 and 41,370.20 is: 62,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,689.72 : 230,534.60 = 41,370.20 : x
  2. Step 2: Convert to fraction form
    153,689.72/230,534.60 = 41,370.20/x
  3. Step 3: Cross multiply
    153,689.72x = 230,534.60 × 41,370.20
  4. Step 4: Simplify right side
    153,689.72x = 9,537,262,508.92
  5. Step 5: Solve for x
    x = 9,537,262,508.92/153,689.72
  6. Step 6: Final answer
    x = 62,055.31

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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.