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Finding the Fourth Proportional to 186,343.59, 257,151.60 and 101,460.66

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Solution

The fourth proportional to 186,343.59, 257,151.60 and 101,460.66 is: 140,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,343.59 : 257,151.60 = 101,460.66 : x
  2. Step 2: Convert to fraction form
    186,343.59/257,151.60 = 101,460.66/x
  3. Step 3: Cross multiply
    186,343.59x = 257,151.60 × 101,460.66
  4. Step 4: Simplify right side
    186,343.59x = 26,090,771,056.06
  5. Step 5: Solve for x
    x = 26,090,771,056.06/186,343.59
  6. Step 6: Final answer
    x = 140,014.32

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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.