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Finding the Fourth Proportional to 302,010.59, 453,018.62 and 91,648.53

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Solution

The fourth proportional to 302,010.59, 453,018.62 and 91,648.53 is: 137,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,010.59 : 453,018.62 = 91,648.53 : x
  2. Step 2: Convert to fraction form
    302,010.59/453,018.62 = 91,648.53/x
  3. Step 3: Cross multiply
    302,010.59x = 453,018.62 × 91,648.53
  4. Step 4: Simplify right side
    302,010.59x = 41,518,490,127.39
  5. Step 5: Solve for x
    x = 41,518,490,127.39/302,010.59
  6. Step 6: Final answer
    x = 137,473.62

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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.