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Finding the Fourth Proportional to 163,065.40, 244,598.10 and 136,821.40

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Solution

The fourth proportional to 163,065.40, 244,598.10 and 136,821.40 is: 205,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,065.40 : 244,598.10 = 136,821.40 : x
  2. Step 2: Convert to fraction form
    163,065.40/244,598.10 = 136,821.40/x
  3. Step 3: Cross multiply
    163,065.40x = 244,598.10 × 136,821.40
  4. Step 4: Simplify right side
    163,065.40x = 33,466,254,479.34
  5. Step 5: Solve for x
    x = 33,466,254,479.34/163,065.40
  6. Step 6: Final answer
    x = 205,232.10

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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.