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Finding the Fourth Proportional to 70,802.32, 106,203.46 and 29,250.40

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Solution

The fourth proportional to 70,802.32, 106,203.46 and 29,250.40 is: 43,875.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,802.32 : 106,203.46 = 29,250.40 : x
  2. Step 2: Convert to fraction form
    70,802.32/106,203.46 = 29,250.40/x
  3. Step 3: Cross multiply
    70,802.32x = 106,203.46 × 29,250.40
  4. Step 4: Simplify right side
    70,802.32x = 3,106,493,686.38
  5. Step 5: Solve for x
    x = 3,106,493,686.38/70,802.32
  6. Step 6: Final answer
    x = 43,875.59

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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.