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Finding the Fourth Proportional to 191,618.04, 287,461.68 and 79,237.22

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Solution

The fourth proportional to 191,618.04, 287,461.68 and 79,237.22 is: 118,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,618.04 : 287,461.68 = 79,237.22 : x
  2. Step 2: Convert to fraction form
    191,618.04/287,461.68 = 79,237.22/x
  3. Step 3: Cross multiply
    191,618.04x = 287,461.68 × 79,237.22
  4. Step 4: Simplify right side
    191,618.04x = 22,777,664,379.73
  5. Step 5: Solve for x
    x = 22,777,664,379.73/191,618.04
  6. Step 6: Final answer
    x = 118,870.15

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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.