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Finding the Fourth Proportional to 176,700.96, 243,714.96 and 122,988.96

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Solution

The fourth proportional to 176,700.96, 243,714.96 and 122,988.96 is: 169,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,700.96 : 243,714.96 = 122,988.96 : x
  2. Step 2: Convert to fraction form
    176,700.96/243,714.96 = 122,988.96/x
  3. Step 3: Cross multiply
    176,700.96x = 243,714.96 × 122,988.96
  4. Step 4: Simplify right side
    176,700.96x = 29,974,249,466.84
  5. Step 5: Solve for x
    x = 29,974,249,466.84/176,700.96
  6. Step 6: Final answer
    x = 169,632.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.