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Finding the Fourth Proportional to 247,618.58, 371,214.71 and 105,333.58

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Solution

The fourth proportional to 247,618.58, 371,214.71 and 105,333.58 is: 157,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,618.58 : 371,214.71 = 105,333.58 : x
  2. Step 2: Convert to fraction form
    247,618.58/371,214.71 = 105,333.58/x
  3. Step 3: Cross multiply
    247,618.58x = 371,214.71 × 105,333.58
  4. Step 4: Simplify right side
    247,618.58x = 39,101,371,970.22
  5. Step 5: Solve for x
    x = 39,101,371,970.22/247,618.58
  6. Step 6: Final answer
    x = 157,909.69

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1.5x scale

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.