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Finding the Fourth Proportional to 206,957.66, 310,176.93 and 88,489.94

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Solution

The fourth proportional to 206,957.66, 310,176.93 and 88,489.94 is: 132,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,957.66 : 310,176.93 = 88,489.94 : x
  2. Step 2: Convert to fraction form
    206,957.66/310,176.93 = 88,489.94/x
  3. Step 3: Cross multiply
    206,957.66x = 310,176.93 × 88,489.94
  4. Step 4: Simplify right side
    206,957.66x = 27,447,537,925.08
  5. Step 5: Solve for x
    x = 27,447,537,925.08/206,957.66
  6. Step 6: Final answer
    x = 132,623.93

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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.