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Finding the Fourth Proportional to 240,646.87, 332,111.12 and 137,283.34

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Solution

The fourth proportional to 240,646.87, 332,111.12 and 137,283.34 is: 189,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,646.87 : 332,111.12 = 137,283.34 : x
  2. Step 2: Convert to fraction form
    240,646.87/332,111.12 = 137,283.34/x
  3. Step 3: Cross multiply
    240,646.87x = 332,111.12 × 137,283.34
  4. Step 4: Simplify right side
    240,646.87x = 45,593,321,457.77
  5. Step 5: Solve for x
    x = 45,593,321,457.77/240,646.87
  6. Step 6: Final answer
    x = 189,461.52

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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.