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Finding the Fourth Proportional to 117,360, 161,957.04 and 67,058.88

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Solution

The fourth proportional to 117,360, 161,957.04 and 67,058.88 is: 92,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,360 : 161,957.04 = 67,058.88 : x
  2. Step 2: Convert to fraction form
    117,360/161,957.04 = 67,058.88/x
  3. Step 3: Cross multiply
    117,360x = 161,957.04 × 67,058.88
  4. Step 4: Simplify right side
    117,360x = 10,860,657,710.52
  5. Step 5: Solve for x
    x = 10,860,657,710.52/117,360
  6. Step 6: Final answer
    x = 92,541.39

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1.5x scale

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.