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Finding the Fourth Proportional to 162,751.68, 243,835.92 and 57,503.52

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Solution

The fourth proportional to 162,751.68, 243,835.92 and 57,503.52 is: 86,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,751.68 : 243,835.92 = 57,503.52 : x
  2. Step 2: Convert to fraction form
    162,751.68/243,835.92 = 57,503.52/x
  3. Step 3: Cross multiply
    162,751.68x = 243,835.92 × 57,503.52
  4. Step 4: Simplify right side
    162,751.68x = 14,021,423,702.44
  5. Step 5: Solve for x
    x = 14,021,423,702.44/162,751.68
  6. Step 6: Final answer
    x = 86,152.25

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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.