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Finding the Fourth Proportional to 169,907.42, 234,478.26 and 93,432.32

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Solution

The fourth proportional to 169,907.42, 234,478.26 and 93,432.32 is: 128,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,907.42 : 234,478.26 = 93,432.32 : x
  2. Step 2: Convert to fraction form
    169,907.42/234,478.26 = 93,432.32/x
  3. Step 3: Cross multiply
    169,907.42x = 234,478.26 × 93,432.32
  4. Step 4: Simplify right side
    169,907.42x = 21,907,847,821.36
  5. Step 5: Solve for x
    x = 21,907,847,821.36/169,907.42
  6. Step 6: Final answer
    x = 128,939.91

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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.