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Finding the Fourth Proportional to 160,931.30, 241,440.15 and 143,521.70

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Solution

The fourth proportional to 160,931.30, 241,440.15 and 143,521.70 is: 215,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,931.30 : 241,440.15 = 143,521.70 : x
  2. Step 2: Convert to fraction form
    160,931.30/241,440.15 = 143,521.70/x
  3. Step 3: Cross multiply
    160,931.30x = 241,440.15 × 143,521.70
  4. Step 4: Simplify right side
    160,931.30x = 34,651,900,776.26
  5. Step 5: Solve for x
    x = 34,651,900,776.26/160,931.30
  6. Step 6: Final answer
    x = 215,321.08

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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.