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Finding the Fourth Proportional to 191,752.58, 287,758.47 and 67,094.66

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Solution

The fourth proportional to 191,752.58, 287,758.47 and 67,094.66 is: 100,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,752.58 : 287,758.47 = 67,094.66 : x
  2. Step 2: Convert to fraction form
    191,752.58/287,758.47 = 67,094.66/x
  3. Step 3: Cross multiply
    191,752.58x = 287,758.47 × 67,094.66
  4. Step 4: Simplify right side
    191,752.58x = 19,307,056,706.77
  5. Step 5: Solve for x
    x = 19,307,056,706.77/191,752.58
  6. Step 6: Final answer
    x = 100,687.34

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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.