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Finding the Fourth Proportional to 176,685.99, 243,917.00 and 136,309.11

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Solution

The fourth proportional to 176,685.99, 243,917.00 and 136,309.11 is: 188,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,685.99 : 243,917.00 = 136,309.11 : x
  2. Step 2: Convert to fraction form
    176,685.99/243,917.00 = 136,309.11/x
  3. Step 3: Cross multiply
    176,685.99x = 243,917.00 × 136,309.11
  4. Step 4: Simplify right side
    176,685.99x = 33,248,108,502.32
  5. Step 5: Solve for x
    x = 33,248,108,502.32/176,685.99
  6. Step 6: Final answer
    x = 188,176.26

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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.