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Finding the Fourth Proportional to 228,001.60, 342,071.58 and 161,570.20

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Solution

The fourth proportional to 228,001.60, 342,071.58 and 161,570.20 is: 242,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,001.60 : 342,071.58 = 161,570.20 : x
  2. Step 2: Convert to fraction form
    228,001.60/342,071.58 = 161,570.20/x
  3. Step 3: Cross multiply
    228,001.60x = 342,071.58 × 161,570.20
  4. Step 4: Simplify right side
    228,001.60x = 55,268,573,594.92
  5. Step 5: Solve for x
    x = 55,268,573,594.92/228,001.60
  6. Step 6: Final answer
    x = 242,404.32

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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.