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Finding the Fourth Proportional to 147,484.08, 203,526 and 80,416.08

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Solution

The fourth proportional to 147,484.08, 203,526 and 80,416.08 is: 110,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,484.08 : 203,526 = 80,416.08 : x
  2. Step 2: Convert to fraction form
    147,484.08/203,526 = 80,416.08/x
  3. Step 3: Cross multiply
    147,484.08x = 203,526 × 80,416.08
  4. Step 4: Simplify right side
    147,484.08x = 16,366,763,098.08
  5. Step 5: Solve for x
    x = 16,366,763,098.08/147,484.08
  6. Step 6: Final answer
    x = 110,973.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.