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Finding the Fourth Proportional to 117,352, 161,946 and 67,050.88

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Solution

The fourth proportional to 117,352, 161,946 and 67,050.88 is: 92,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,352 : 161,946 = 67,050.88 : x
  2. Step 2: Convert to fraction form
    117,352/161,946 = 67,050.88/x
  3. Step 3: Cross multiply
    117,352x = 161,946 × 67,050.88
  4. Step 4: Simplify right side
    117,352x = 10,858,621,812.48
  5. Step 5: Solve for x
    x = 10,858,621,812.48/117,352
  6. Step 6: Final answer
    x = 92,530.35

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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.