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Finding the Fourth Proportional to 176,718.72, 265,187.52 and 71,538.72

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Solution

The fourth proportional to 176,718.72, 265,187.52 and 71,538.72 is: 107,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,718.72 : 265,187.52 = 71,538.72 : x
  2. Step 2: Convert to fraction form
    176,718.72/265,187.52 = 71,538.72/x
  3. Step 3: Cross multiply
    176,718.72x = 265,187.52 × 71,538.72
  4. Step 4: Simplify right side
    176,718.72x = 18,971,175,740.77
  5. Step 5: Solve for x
    x = 18,971,175,740.77/176,718.72
  6. Step 6: Final answer
    x = 107,352.38

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1.5x scale

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.