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Finding the Fourth Proportional to 173,706.58, 260,615.22 and 77,628.93

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Solution

The fourth proportional to 173,706.58, 260,615.22 and 77,628.93 is: 116,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,706.58 : 260,615.22 = 77,628.93 : x
  2. Step 2: Convert to fraction form
    173,706.58/260,615.22 = 77,628.93/x
  3. Step 3: Cross multiply
    173,706.58x = 260,615.22 × 77,628.93
  4. Step 4: Simplify right side
    173,706.58x = 20,231,281,304.52
  5. Step 5: Solve for x
    x = 20,231,281,304.52/173,706.58
  6. Step 6: Final answer
    x = 116,468.14

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1.5x scale

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.