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Finding the Fourth Proportional to 162,002.40, 243,003.60 and 152,160.90

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Solution

The fourth proportional to 162,002.40, 243,003.60 and 152,160.90 is: 228,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,002.40 : 243,003.60 = 152,160.90 : x
  2. Step 2: Convert to fraction form
    162,002.40/243,003.60 = 152,160.90/x
  3. Step 3: Cross multiply
    162,002.40x = 243,003.60 × 152,160.90
  4. Step 4: Simplify right side
    162,002.40x = 36,975,646,479.24
  5. Step 5: Solve for x
    x = 36,975,646,479.24/162,002.40
  6. Step 6: Final answer
    x = 228,241.35

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1.5x scale

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.