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Finding the Fourth Proportional to 234,547.64, 351,821.54 and 57,053.55

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Solution

The fourth proportional to 234,547.64, 351,821.54 and 57,053.55 is: 85,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,547.64 : 351,821.54 = 57,053.55 : x
  2. Step 2: Convert to fraction form
    234,547.64/351,821.54 = 57,053.55/x
  3. Step 3: Cross multiply
    234,547.64x = 351,821.54 × 57,053.55
  4. Step 4: Simplify right side
    234,547.64x = 20,072,667,538.20
  5. Step 5: Solve for x
    x = 20,072,667,538.20/234,547.64
  6. Step 6: Final answer
    x = 85,580.35

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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.