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Finding the Fourth Proportional to 117,762.84, 162,513.48 and 64,048.25

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Solution

The fourth proportional to 117,762.84, 162,513.48 and 64,048.25 is: 88,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,762.84 : 162,513.48 = 64,048.25 : x
  2. Step 2: Convert to fraction form
    117,762.84/162,513.48 = 64,048.25/x
  3. Step 3: Cross multiply
    117,762.84x = 162,513.48 × 64,048.25
  4. Step 4: Simplify right side
    117,762.84x = 10,408,703,182.84
  5. Step 5: Solve for x
    x = 10,408,703,182.84/117,762.84
  6. Step 6: Final answer
    x = 88,386.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.