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Finding the Fourth Proportional to 114,838.08, 158,491.12 and 64,537.04

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Solution

The fourth proportional to 114,838.08, 158,491.12 and 64,537.04 is: 89,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,838.08 : 158,491.12 = 64,537.04 : x
  2. Step 2: Convert to fraction form
    114,838.08/158,491.12 = 64,537.04/x
  3. Step 3: Cross multiply
    114,838.08x = 158,491.12 × 64,537.04
  4. Step 4: Simplify right side
    114,838.08x = 10,228,547,751.08
  5. Step 5: Solve for x
    x = 10,228,547,751.08/114,838.08
  6. Step 6: Final answer
    x = 89,069.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.