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Finding the Fourth Proportional to 238,547.80, 357,819.18 and 61,053.40

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Solution

The fourth proportional to 238,547.80, 357,819.18 and 61,053.40 is: 91,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,547.80 : 357,819.18 = 61,053.40 : x
  2. Step 2: Convert to fraction form
    238,547.80/357,819.18 = 61,053.40/x
  3. Step 3: Cross multiply
    238,547.80x = 357,819.18 × 61,053.40
  4. Step 4: Simplify right side
    238,547.80x = 21,846,077,524.21
  5. Step 5: Solve for x
    x = 21,846,077,524.21/238,547.80
  6. Step 6: Final answer
    x = 91,579.46

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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.