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Finding the Fourth Proportional to 169,611.68, 234,068.34 and 93,138.32

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Solution

The fourth proportional to 169,611.68, 234,068.34 and 93,138.32 is: 128,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,611.68 : 234,068.34 = 93,138.32 : x
  2. Step 2: Convert to fraction form
    169,611.68/234,068.34 = 93,138.32/x
  3. Step 3: Cross multiply
    169,611.68x = 234,068.34 × 93,138.32
  4. Step 4: Simplify right side
    169,611.68x = 21,800,731,952.79
  5. Step 5: Solve for x
    x = 21,800,731,952.79/169,611.68
  6. Step 6: Final answer
    x = 128,533.20

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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.