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Finding the Fourth Proportional to 314,105.61, 471,151.07 and 100,873.11

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Solution

The fourth proportional to 314,105.61, 471,151.07 and 100,873.11 is: 151,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,105.61 : 471,151.07 = 100,873.11 : x
  2. Step 2: Convert to fraction form
    314,105.61/471,151.07 = 100,873.11/x
  3. Step 3: Cross multiply
    314,105.61x = 471,151.07 × 100,873.11
  4. Step 4: Simplify right side
    314,105.61x = 47,526,473,206.36
  5. Step 5: Solve for x
    x = 47,526,473,206.36/314,105.61
  6. Step 6: Final answer
    x = 151,307.30

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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.