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Finding the Fourth Proportional to 186,017.61, 278,862.69 and 73,776.63

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Solution

The fourth proportional to 186,017.61, 278,862.69 and 73,776.63 is: 110,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,017.61 : 278,862.69 = 73,776.63 : x
  2. Step 2: Convert to fraction form
    186,017.61/278,862.69 = 73,776.63/x
  3. Step 3: Cross multiply
    186,017.61x = 278,862.69 × 73,776.63
  4. Step 4: Simplify right side
    186,017.61x = 20,573,549,500.93
  5. Step 5: Solve for x
    x = 20,573,549,500.93/186,017.61
  6. Step 6: Final answer
    x = 110,600.01

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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.