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Finding the Fourth Proportional to 316,441.50, 474,740.02 and 94,825.50

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Solution

The fourth proportional to 316,441.50, 474,740.02 and 94,825.50 is: 142,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,441.50 : 474,740.02 = 94,825.50 : x
  2. Step 2: Convert to fraction form
    316,441.50/474,740.02 = 94,825.50/x
  3. Step 3: Cross multiply
    316,441.50x = 474,740.02 × 94,825.50
  4. Step 4: Simplify right side
    316,441.50x = 45,017,459,766.51
  5. Step 5: Solve for x
    x = 45,017,459,766.51/316,441.50
  6. Step 6: Final answer
    x = 142,261.55

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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.