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Finding the Fourth Proportional to 114,446.52, 171,637.02 and 39,547.08

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Solution

The fourth proportional to 114,446.52, 171,637.02 and 39,547.08 is: 59,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,446.52 : 171,637.02 = 39,547.08 : x
  2. Step 2: Convert to fraction form
    114,446.52/171,637.02 = 39,547.08/x
  3. Step 3: Cross multiply
    114,446.52x = 171,637.02 × 39,547.08
  4. Step 4: Simplify right side
    114,446.52x = 6,787,742,960.90
  5. Step 5: Solve for x
    x = 6,787,742,960.90/114,446.52
  6. Step 6: Final answer
    x = 59,309.30

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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.