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Finding the Fourth Proportional to 70,203.47, 105,246.88 and 49,083.12

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Solution

The fourth proportional to 70,203.47, 105,246.88 and 49,083.12 is: 73,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,203.47 : 105,246.88 = 49,083.12 : x
  2. Step 2: Convert to fraction form
    70,203.47/105,246.88 = 49,083.12/x
  3. Step 3: Cross multiply
    70,203.47x = 105,246.88 × 49,083.12
  4. Step 4: Simplify right side
    70,203.47x = 5,165,845,117.96
  5. Step 5: Solve for x
    x = 5,165,845,117.96/70,203.47
  6. Step 6: Final answer
    x = 73,583.91

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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.