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Finding the Fourth Proportional to 186,358.86, 257,175.54 and 101,476.26

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Solution

The fourth proportional to 186,358.86, 257,175.54 and 101,476.26 is: 140,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,358.86 : 257,175.54 = 101,476.26 : x
  2. Step 2: Convert to fraction form
    186,358.86/257,175.54 = 101,476.26/x
  3. Step 3: Cross multiply
    186,358.86x = 257,175.54 × 101,476.26
  4. Step 4: Simplify right side
    186,358.86x = 26,097,211,962.68
  5. Step 5: Solve for x
    x = 26,097,211,962.68/186,358.86
  6. Step 6: Final answer
    x = 140,037.41

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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.