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Finding the Fourth Proportional to 155,058.40, 232,004.40 and 102,570.40

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Solution

The fourth proportional to 155,058.40, 232,004.40 and 102,570.40 is: 153,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,058.40 : 232,004.40 = 102,570.40 : x
  2. Step 2: Convert to fraction form
    155,058.40/232,004.40 = 102,570.40/x
  3. Step 3: Cross multiply
    155,058.40x = 232,004.40 × 102,570.40
  4. Step 4: Simplify right side
    155,058.40x = 23,796,784,109.76
  5. Step 5: Solve for x
    x = 23,796,784,109.76/155,058.40
  6. Step 6: Final answer
    x = 153,469.82

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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.