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Finding the Fourth Proportional to 186,220.81, 256,977.12 and 101,337.94

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Solution

The fourth proportional to 186,220.81, 256,977.12 and 101,337.94 is: 139,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,220.81 : 256,977.12 = 101,337.94 : x
  2. Step 2: Convert to fraction form
    186,220.81/256,977.12 = 101,337.94/x
  3. Step 3: Cross multiply
    186,220.81x = 256,977.12 × 101,337.94
  4. Step 4: Simplify right side
    186,220.81x = 26,041,531,967.93
  5. Step 5: Solve for x
    x = 26,041,531,967.93/186,220.81
  6. Step 6: Final answer
    x = 139,842.22

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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.