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Finding the Fourth Proportional to 191,808.01, 287,699.95 and 58,677.69

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Solution

The fourth proportional to 191,808.01, 287,699.95 and 58,677.69 is: 88,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,808.01 : 287,699.95 = 58,677.69 : x
  2. Step 2: Convert to fraction form
    191,808.01/287,699.95 = 58,677.69/x
  3. Step 3: Cross multiply
    191,808.01x = 287,699.95 × 58,677.69
  4. Step 4: Simplify right side
    191,808.01x = 16,881,568,479.12
  5. Step 5: Solve for x
    x = 16,881,568,479.12/191,808.01
  6. Step 6: Final answer
    x = 88,012.84

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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.