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Finding the Fourth Proportional to 302,034.40, 453,116.40 and 91,693.60

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Solution

The fourth proportional to 302,034.40, 453,116.40 and 91,693.60 is: 137,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,034.40 : 453,116.40 = 91,693.60 : x
  2. Step 2: Convert to fraction form
    302,034.40/453,116.40 = 91,693.60/x
  3. Step 3: Cross multiply
    302,034.40x = 453,116.40 × 91,693.60
  4. Step 4: Simplify right side
    302,034.40x = 41,547,873,935.04
  5. Step 5: Solve for x
    x = 41,547,873,935.04/302,034.40
  6. Step 6: Final answer
    x = 137,560.07

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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.