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Finding the Fourth Proportional to 272,461.68, 375,986.88 and 151,607.52

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Solution

The fourth proportional to 272,461.68, 375,986.88 and 151,607.52 is: 209,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,461.68 : 375,986.88 = 151,607.52 : x
  2. Step 2: Convert to fraction form
    272,461.68/375,986.88 = 151,607.52/x
  3. Step 3: Cross multiply
    272,461.68x = 375,986.88 × 151,607.52
  4. Step 4: Simplify right side
    272,461.68x = 57,002,438,429.34
  5. Step 5: Solve for x
    x = 57,002,438,429.34/272,461.68
  6. Step 6: Final answer
    x = 209,212.68

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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.