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Finding the Fourth Proportional to 316,362.90, 474,406.11 and 94,695.06

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Solution

The fourth proportional to 316,362.90, 474,406.11 and 94,695.06 is: 142,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,362.90 : 474,406.11 = 94,695.06 : x
  2. Step 2: Convert to fraction form
    316,362.90/474,406.11 = 94,695.06/x
  3. Step 3: Cross multiply
    316,362.90x = 474,406.11 × 94,695.06
  4. Step 4: Simplify right side
    316,362.90x = 44,923,915,050.82
  5. Step 5: Solve for x
    x = 44,923,915,050.82/316,362.90
  6. Step 6: Final answer
    x = 142,001.21

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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.