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Finding the Fourth Proportional to 316,036, 474,054.04 and 94,420

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Solution

The fourth proportional to 316,036, 474,054.04 and 94,420 is: 141,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,036 : 474,054.04 = 94,420 : x
  2. Step 2: Convert to fraction form
    316,036/474,054.04 = 94,420/x
  3. Step 3: Cross multiply
    316,036x = 474,054.04 × 94,420
  4. Step 4: Simplify right side
    316,036x = 44,760,182,456.80
  5. Step 5: Solve for x
    x = 44,760,182,456.80/316,036
  6. Step 6: Final answer
    x = 141,630.01

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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.