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Finding the Fourth Proportional to 100,888.70, 151,343.28 and 34,333.49

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Solution

The fourth proportional to 100,888.70, 151,343.28 and 34,333.49 is: 51,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,888.70 : 151,343.28 = 34,333.49 : x
  2. Step 2: Convert to fraction form
    100,888.70/151,343.28 = 34,333.49/x
  3. Step 3: Cross multiply
    100,888.70x = 151,343.28 × 34,333.49
  4. Step 4: Simplify right side
    100,888.70x = 5,196,143,368.81
  5. Step 5: Solve for x
    x = 5,196,143,368.81/100,888.70
  6. Step 6: Final answer
    x = 51,503.72

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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.