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Finding the Fourth Proportional to 73,006.92, 109,510.08 and 28,602.32

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Solution

The fourth proportional to 73,006.92, 109,510.08 and 28,602.32 is: 42,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.92 : 109,510.08 = 28,602.32 : x
  2. Step 2: Convert to fraction form
    73,006.92/109,510.08 = 28,602.32/x
  3. Step 3: Cross multiply
    73,006.92x = 109,510.08 × 28,602.32
  4. Step 4: Simplify right side
    73,006.92x = 3,132,241,696.58
  5. Step 5: Solve for x
    x = 3,132,241,696.58/73,006.92
  6. Step 6: Final answer
    x = 42,903.35

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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.