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Finding the Fourth Proportional to 247,547.34, 371,335.23 and 70,039.44

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Solution

The fourth proportional to 247,547.34, 371,335.23 and 70,039.44 is: 105,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,547.34 : 371,335.23 = 70,039.44 : x
  2. Step 2: Convert to fraction form
    247,547.34/371,335.23 = 70,039.44/x
  3. Step 3: Cross multiply
    247,547.34x = 371,335.23 × 70,039.44
  4. Step 4: Simplify right side
    247,547.34x = 26,008,111,561.47
  5. Step 5: Solve for x
    x = 26,008,111,561.47/247,547.34
  6. Step 6: Final answer
    x = 105,063.18

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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.