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Finding the Fourth Proportional to 172,795.84, 238,502.76 and 112,516.96

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Solution

The fourth proportional to 172,795.84, 238,502.76 and 112,516.96 is: 155,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,795.84 : 238,502.76 = 112,516.96 : x
  2. Step 2: Convert to fraction form
    172,795.84/238,502.76 = 112,516.96/x
  3. Step 3: Cross multiply
    172,795.84x = 238,502.76 × 112,516.96
  4. Step 4: Simplify right side
    172,795.84x = 26,835,605,506.81
  5. Step 5: Solve for x
    x = 26,835,605,506.81/172,795.84
  6. Step 6: Final answer
    x = 155,302.38

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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.