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Finding the Fourth Proportional to 119,859.95, 179,509.60 and 94,731.35

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Solution

The fourth proportional to 119,859.95, 179,509.60 and 94,731.35 is: 141,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,859.95 : 179,509.60 = 94,731.35 : x
  2. Step 2: Convert to fraction form
    119,859.95/179,509.60 = 94,731.35/x
  3. Step 3: Cross multiply
    119,859.95x = 179,509.60 × 94,731.35
  4. Step 4: Simplify right side
    119,859.95x = 17,005,186,745.96
  5. Step 5: Solve for x
    x = 17,005,186,745.96/119,859.95
  6. Step 6: Final answer
    x = 141,875.47

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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.