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Finding the Fourth Proportional to 119,702.34, 165,189.18 and 65,254.62

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Solution

The fourth proportional to 119,702.34, 165,189.18 and 65,254.62 is: 90,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,702.34 : 165,189.18 = 65,254.62 : x
  2. Step 2: Convert to fraction form
    119,702.34/165,189.18 = 65,254.62/x
  3. Step 3: Cross multiply
    119,702.34x = 165,189.18 × 65,254.62
  4. Step 4: Simplify right side
    119,702.34x = 10,779,357,169.01
  5. Step 5: Solve for x
    x = 10,779,357,169.01/119,702.34
  6. Step 6: Final answer
    x = 90,051.35

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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.