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Finding the Fourth Proportional to 163,862.40, 245,851.20 and 158,102.40

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Solution

The fourth proportional to 163,862.40, 245,851.20 and 158,102.40 is: 237,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,862.40 : 245,851.20 = 158,102.40 : x
  2. Step 2: Convert to fraction form
    163,862.40/245,851.20 = 158,102.40/x
  3. Step 3: Cross multiply
    163,862.40x = 245,851.20 × 158,102.40
  4. Step 4: Simplify right side
    163,862.40x = 38,869,664,762.88
  5. Step 5: Solve for x
    x = 38,869,664,762.88/163,862.40
  6. Step 6: Final answer
    x = 237,209.18

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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.