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Finding the Fourth Proportional to 185,763.84, 278,686.08 and 61,100.16

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Solution

The fourth proportional to 185,763.84, 278,686.08 and 61,100.16 is: 91,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,763.84 : 278,686.08 = 61,100.16 : x
  2. Step 2: Convert to fraction form
    185,763.84/278,686.08 = 61,100.16/x
  3. Step 3: Cross multiply
    185,763.84x = 278,686.08 × 61,100.16
  4. Step 4: Simplify right side
    185,763.84x = 17,027,764,077.77
  5. Step 5: Solve for x
    x = 17,027,764,077.77/185,763.84
  6. Step 6: Final answer
    x = 91,663.50

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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.