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Finding the Fourth Proportional to 119,875.68, 179,784.36 and 56,693.25

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Solution

The fourth proportional to 119,875.68, 179,784.36 and 56,693.25 is: 85,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,875.68 : 179,784.36 = 56,693.25 : x
  2. Step 2: Convert to fraction form
    119,875.68/179,784.36 = 56,693.25/x
  3. Step 3: Cross multiply
    119,875.68x = 179,784.36 × 56,693.25
  4. Step 4: Simplify right side
    119,875.68x = 10,192,559,667.57
  5. Step 5: Solve for x
    x = 10,192,559,667.57/119,875.68
  6. Step 6: Final answer
    x = 85,026.08

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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.