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Finding the Fourth Proportional to 188,532.91, 260,148.35 and 110,962.45

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Solution

The fourth proportional to 188,532.91, 260,148.35 and 110,962.45 is: 153,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,532.91 : 260,148.35 = 110,962.45 : x
  2. Step 2: Convert to fraction form
    188,532.91/260,148.35 = 110,962.45/x
  3. Step 3: Cross multiply
    188,532.91x = 260,148.35 × 110,962.45
  4. Step 4: Simplify right side
    188,532.91x = 28,866,698,279.46
  5. Step 5: Solve for x
    x = 28,866,698,279.46/188,532.91
  6. Step 6: Final answer
    x = 153,112.25

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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.