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Finding the Fourth Proportional to 77,653.17, 116,394.55 and 44,300.51

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Solution

The fourth proportional to 77,653.17, 116,394.55 and 44,300.51 is: 66,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,653.17 : 116,394.55 = 44,300.51 : x
  2. Step 2: Convert to fraction form
    77,653.17/116,394.55 = 44,300.51/x
  3. Step 3: Cross multiply
    77,653.17x = 116,394.55 × 44,300.51
  4. Step 4: Simplify right side
    77,653.17x = 5,156,337,926.22
  5. Step 5: Solve for x
    x = 5,156,337,926.22/77,653.17
  6. Step 6: Final answer
    x = 66,402.16

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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.