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Finding the Fourth Proportional to 186,695.40, 280,043.10 and 60,335.40

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Solution

The fourth proportional to 186,695.40, 280,043.10 and 60,335.40 is: 90,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,695.40 : 280,043.10 = 60,335.40 : x
  2. Step 2: Convert to fraction form
    186,695.40/280,043.10 = 60,335.40/x
  3. Step 3: Cross multiply
    186,695.40x = 280,043.10 × 60,335.40
  4. Step 4: Simplify right side
    186,695.40x = 16,896,512,455.74
  5. Step 5: Solve for x
    x = 16,896,512,455.74/186,695.40
  6. Step 6: Final answer
    x = 90,503.10

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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.