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Finding the Fourth Proportional to 176,390.80, 243,412.32 and 104,768.92

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Solution

The fourth proportional to 176,390.80, 243,412.32 and 104,768.92 is: 144,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,390.80 : 243,412.32 = 104,768.92 : x
  2. Step 2: Convert to fraction form
    176,390.80/243,412.32 = 104,768.92/x
  3. Step 3: Cross multiply
    176,390.80x = 243,412.32 × 104,768.92
  4. Step 4: Simplify right side
    176,390.80x = 25,502,045,881.09
  5. Step 5: Solve for x
    x = 25,502,045,881.09/176,390.80
  6. Step 6: Final answer
    x = 144,576.96

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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.