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Finding the Fourth Proportional to 176,641.55, 265,049.95 and 70,023.25

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Solution

The fourth proportional to 176,641.55, 265,049.95 and 70,023.25 is: 105,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,641.55 : 265,049.95 = 70,023.25 : x
  2. Step 2: Convert to fraction form
    176,641.55/265,049.95 = 70,023.25/x
  3. Step 3: Cross multiply
    176,641.55x = 265,049.95 × 70,023.25
  4. Step 4: Simplify right side
    176,641.55x = 18,559,657,586.09
  5. Step 5: Solve for x
    x = 18,559,657,586.09/176,641.55
  6. Step 6: Final answer
    x = 105,069.61

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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.