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Finding the Fourth Proportional to 176,859.88, 265,263.42 and 64,513.72

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Solution

The fourth proportional to 176,859.88, 265,263.42 and 64,513.72 is: 96,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,859.88 : 265,263.42 = 64,513.72 : x
  2. Step 2: Convert to fraction form
    176,859.88/265,263.42 = 64,513.72/x
  3. Step 3: Cross multiply
    176,859.88x = 265,263.42 × 64,513.72
  4. Step 4: Simplify right side
    176,859.88x = 17,113,130,004.12
  5. Step 5: Solve for x
    x = 17,113,130,004.12/176,859.88
  6. Step 6: Final answer
    x = 96,760.95

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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.