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Finding the Fourth Proportional to 316,838.03, 475,200.25 and 89,079.02

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Solution

The fourth proportional to 316,838.03, 475,200.25 and 89,079.02 is: 133,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,838.03 : 475,200.25 = 89,079.02 : x
  2. Step 2: Convert to fraction form
    316,838.03/475,200.25 = 89,079.02/x
  3. Step 3: Cross multiply
    316,838.03x = 475,200.25 × 89,079.02
  4. Step 4: Simplify right side
    316,838.03x = 42,330,372,848.14
  5. Step 5: Solve for x
    x = 42,330,372,848.14/316,838.03
  6. Step 6: Final answer
    x = 133,602.56

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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.