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Finding the Fourth Proportional to 219,444.02, 329,177.42 and 69,696.03

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Solution

The fourth proportional to 219,444.02, 329,177.42 and 69,696.03 is: 104,547.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,444.02 : 329,177.42 = 69,696.03 : x
  2. Step 2: Convert to fraction form
    219,444.02/329,177.42 = 69,696.03/x
  3. Step 3: Cross multiply
    219,444.02x = 329,177.42 × 69,696.03
  4. Step 4: Simplify right side
    219,444.02x = 22,942,358,991.16
  5. Step 5: Solve for x
    x = 22,942,358,991.16/219,444.02
  6. Step 6: Final answer
    x = 104,547.66

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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.