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Finding the Fourth Proportional to 163,967.52, 245,868.60 and 75,146.16

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Solution

The fourth proportional to 163,967.52, 245,868.60 and 75,146.16 is: 112,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,967.52 : 245,868.60 = 75,146.16 : x
  2. Step 2: Convert to fraction form
    163,967.52/245,868.60 = 75,146.16/x
  3. Step 3: Cross multiply
    163,967.52x = 245,868.60 × 75,146.16
  4. Step 4: Simplify right side
    163,967.52x = 18,476,081,154.58
  5. Step 5: Solve for x
    x = 18,476,081,154.58/163,967.52
  6. Step 6: Final answer
    x = 112,681.35

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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.