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Finding the Fourth Proportional to 176,889.86, 265,443.58 and 70,255.16

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Solution

The fourth proportional to 176,889.86, 265,443.58 and 70,255.16 is: 105,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,889.86 : 265,443.58 = 70,255.16 : x
  2. Step 2: Convert to fraction form
    176,889.86/265,443.58 = 70,255.16/x
  3. Step 3: Cross multiply
    176,889.86x = 265,443.58 × 70,255.16
  4. Step 4: Simplify right side
    176,889.86x = 18,648,781,671.84
  5. Step 5: Solve for x
    x = 18,648,781,671.84/176,889.86
  6. Step 6: Final answer
    x = 105,425.95

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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.