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Finding the Fourth Proportional to 316,040, 474,060.04 and 94,424

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Solution

The fourth proportional to 316,040, 474,060.04 and 94,424 is: 141,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,040 : 474,060.04 = 94,424 : x
  2. Step 2: Convert to fraction form
    316,040/474,060.04 = 94,424/x
  3. Step 3: Cross multiply
    316,040x = 474,060.04 × 94,424
  4. Step 4: Simplify right side
    316,040x = 44,762,645,216.96
  5. Step 5: Solve for x
    x = 44,762,645,216.96/316,040
  6. Step 6: Final answer
    x = 141,636.01

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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.