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Finding the Fourth Proportional to 191,114.80, 286,655.69 and 64,752.37

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Solution

The fourth proportional to 191,114.80, 286,655.69 and 64,752.37 is: 97,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,114.80 : 286,655.69 = 64,752.37 : x
  2. Step 2: Convert to fraction form
    191,114.80/286,655.69 = 64,752.37/x
  3. Step 3: Cross multiply
    191,114.80x = 286,655.69 × 64,752.37
  4. Step 4: Simplify right side
    191,114.80x = 18,561,634,746.73
  5. Step 5: Solve for x
    x = 18,561,634,746.73/191,114.80
  6. Step 6: Final answer
    x = 97,122.96

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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.