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Finding the Fourth Proportional to 191,632.40, 287,230.62 and 116,587.13

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Solution

The fourth proportional to 191,632.40, 287,230.62 and 116,587.13 is: 174,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,632.40 : 287,230.62 = 116,587.13 : x
  2. Step 2: Convert to fraction form
    191,632.40/287,230.62 = 116,587.13/x
  3. Step 3: Cross multiply
    191,632.40x = 287,230.62 × 116,587.13
  4. Step 4: Simplify right side
    191,632.40x = 33,487,392,634.97
  5. Step 5: Solve for x
    x = 33,487,392,634.97/191,632.40
  6. Step 6: Final answer
    x = 174,748.07

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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.