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Finding the Fourth Proportional to 347,925.54, 521,970.02 and 108,027.12

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Solution

The fourth proportional to 347,925.54, 521,970.02 and 108,027.12 is: 162,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,925.54 : 521,970.02 = 108,027.12 : x
  2. Step 2: Convert to fraction form
    347,925.54/521,970.02 = 108,027.12/x
  3. Step 3: Cross multiply
    347,925.54x = 521,970.02 × 108,027.12
  4. Step 4: Simplify right side
    347,925.54x = 56,386,917,446.81
  5. Step 5: Solve for x
    x = 56,386,917,446.81/347,925.54
  6. Step 6: Final answer
    x = 162,066.05

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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.