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Finding the Fourth Proportional to 163,478.52, 245,216.21 and 96,870.71

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Solution

The fourth proportional to 163,478.52, 245,216.21 and 96,870.71 is: 145,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,478.52 : 245,216.21 = 96,870.71 : x
  2. Step 2: Convert to fraction form
    163,478.52/245,216.21 = 96,870.71/x
  3. Step 3: Cross multiply
    163,478.52x = 245,216.21 × 96,870.71
  4. Step 4: Simplify right side
    163,478.52x = 23,754,266,655.77
  5. Step 5: Solve for x
    x = 23,754,266,655.77/163,478.52
  6. Step 6: Final answer
    x = 145,305.12

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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.