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Finding the Fourth Proportional to 186,187.38, 256,938.35 and 101,303.88

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Solution

The fourth proportional to 186,187.38, 256,938.35 and 101,303.88 is: 139,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,187.38 : 256,938.35 = 101,303.88 : x
  2. Step 2: Convert to fraction form
    186,187.38/256,938.35 = 101,303.88/x
  3. Step 3: Cross multiply
    186,187.38x = 256,938.35 × 101,303.88
  4. Step 4: Simplify right side
    186,187.38x = 26,028,851,269.28
  5. Step 5: Solve for x
    x = 26,028,851,269.28/186,187.38
  6. Step 6: Final answer
    x = 139,799.22

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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.