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Finding the Fourth Proportional to 163,713.20, 245,569.80 and 144,030.20

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Solution

The fourth proportional to 163,713.20, 245,569.80 and 144,030.20 is: 216,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,713.20 : 245,569.80 = 144,030.20 : x
  2. Step 2: Convert to fraction form
    163,713.20/245,569.80 = 144,030.20/x
  3. Step 3: Cross multiply
    163,713.20x = 245,569.80 × 144,030.20
  4. Step 4: Simplify right side
    163,713.20x = 35,369,467,407.96
  5. Step 5: Solve for x
    x = 35,369,467,407.96/163,713.20
  6. Step 6: Final answer
    x = 216,045.30

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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.