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Finding the Fourth Proportional to 162,325.60, 243,322.80 and 109,740.40

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Solution

The fourth proportional to 162,325.60, 243,322.80 and 109,740.40 is: 164,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,325.60 : 243,322.80 = 109,740.40 : x
  2. Step 2: Convert to fraction form
    162,325.60/243,322.80 = 109,740.40/x
  3. Step 3: Cross multiply
    162,325.60x = 243,322.80 × 109,740.40
  4. Step 4: Simplify right side
    162,325.60x = 26,702,341,401.12
  5. Step 5: Solve for x
    x = 26,702,341,401.12/162,325.60
  6. Step 6: Final answer
    x = 164,498.65

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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.