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Finding the Fourth Proportional to 163,892.40, 245,896.20 and 158,132.40

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Solution

The fourth proportional to 163,892.40, 245,896.20 and 158,132.40 is: 237,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,892.40 : 245,896.20 = 158,132.40 : x
  2. Step 2: Convert to fraction form
    163,892.40/245,896.20 = 158,132.40/x
  3. Step 3: Cross multiply
    163,892.40x = 245,896.20 × 158,132.40
  4. Step 4: Simplify right side
    163,892.40x = 38,884,156,256.88
  5. Step 5: Solve for x
    x = 38,884,156,256.88/163,892.40
  6. Step 6: Final answer
    x = 237,254.18

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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.