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Finding the Fourth Proportional to 161,293.61, 222,590.90 and 88,702.02

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Solution

The fourth proportional to 161,293.61, 222,590.90 and 88,702.02 is: 122,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,293.61 : 222,590.90 = 88,702.02 : x
  2. Step 2: Convert to fraction form
    161,293.61/222,590.90 = 88,702.02/x
  3. Step 3: Cross multiply
    161,293.61x = 222,590.90 × 88,702.02
  4. Step 4: Simplify right side
    161,293.61x = 19,744,261,739.78
  5. Step 5: Solve for x
    x = 19,744,261,739.78/161,293.61
  6. Step 6: Final answer
    x = 122,411.93

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1.5x scale

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.