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Finding the Fourth Proportional to 247,655.80, 371,530.41 and 112,730.32

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Solution

The fourth proportional to 247,655.80, 371,530.41 and 112,730.32 is: 169,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,655.80 : 371,530.41 = 112,730.32 : x
  2. Step 2: Convert to fraction form
    247,655.80/371,530.41 = 112,730.32/x
  3. Step 3: Cross multiply
    247,655.80x = 371,530.41 × 112,730.32
  4. Step 4: Simplify right side
    247,655.80x = 41,882,742,009.03
  5. Step 5: Solve for x
    x = 41,882,742,009.03/247,655.80
  6. Step 6: Final answer
    x = 169,116.74

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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.