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Finding the Fourth Proportional to 247,045.68, 370,547.26 and 78,570.14

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Solution

The fourth proportional to 247,045.68, 370,547.26 and 78,570.14 is: 117,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,045.68 : 370,547.26 = 78,570.14 : x
  2. Step 2: Convert to fraction form
    247,045.68/370,547.26 = 78,570.14/x
  3. Step 3: Cross multiply
    247,045.68x = 370,547.26 × 78,570.14
  4. Step 4: Simplify right side
    247,045.68x = 29,113,948,045.65
  5. Step 5: Solve for x
    x = 29,113,948,045.65/247,045.68
  6. Step 6: Final answer
    x = 117,848.44

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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.