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Finding the Fourth Proportional to 158,302.34, 218,413.90 and 101,746.52

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Solution

The fourth proportional to 158,302.34, 218,413.90 and 101,746.52 is: 140,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,302.34 : 218,413.90 = 101,746.52 : x
  2. Step 2: Convert to fraction form
    158,302.34/218,413.90 = 101,746.52/x
  3. Step 3: Cross multiply
    158,302.34x = 218,413.90 × 101,746.52
  4. Step 4: Simplify right side
    158,302.34x = 22,222,854,244.63
  5. Step 5: Solve for x
    x = 22,222,854,244.63/158,302.34
  6. Step 6: Final answer
    x = 140,382.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.