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Finding the Fourth Proportional to 163,702.40, 245,380.80 and 93,430.40

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Solution

The fourth proportional to 163,702.40, 245,380.80 and 93,430.40 is: 140,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,702.40 : 245,380.80 = 93,430.40 : x
  2. Step 2: Convert to fraction form
    163,702.40/245,380.80 = 93,430.40/x
  3. Step 3: Cross multiply
    163,702.40x = 245,380.80 × 93,430.40
  4. Step 4: Simplify right side
    163,702.40x = 22,926,026,296.32
  5. Step 5: Solve for x
    x = 22,926,026,296.32/163,702.40
  6. Step 6: Final answer
    x = 140,046.98

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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.