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Finding the Fourth Proportional to 186,136.58, 256,871.05 and 101,253.65

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Solution

The fourth proportional to 186,136.58, 256,871.05 and 101,253.65 is: 139,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,136.58 : 256,871.05 = 101,253.65 : x
  2. Step 2: Convert to fraction form
    186,136.58/256,871.05 = 101,253.65/x
  3. Step 3: Cross multiply
    186,136.58x = 256,871.05 × 101,253.65
  4. Step 4: Simplify right side
    186,136.58x = 26,009,129,854.34
  5. Step 5: Solve for x
    x = 26,009,129,854.34/186,136.58
  6. Step 6: Final answer
    x = 139,731.42

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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.