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Finding the Fourth Proportional to 302,014.59, 453,011.40 and 77,376.89

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Solution

The fourth proportional to 302,014.59, 453,011.40 and 77,376.89 is: 116,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,014.59 : 453,011.40 = 77,376.89 : x
  2. Step 2: Convert to fraction form
    302,014.59/453,011.40 = 77,376.89/x
  3. Step 3: Cross multiply
    302,014.59x = 453,011.40 × 77,376.89
  4. Step 4: Simplify right side
    302,014.59x = 35,052,611,001.49
  5. Step 5: Solve for x
    x = 35,052,611,001.49/302,014.59
  6. Step 6: Final answer
    x = 116,062.64

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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.