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Finding the Fourth Proportional to 555,642.02, 833,463.03 and 134,915.06

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Solution

The fourth proportional to 555,642.02, 833,463.03 and 134,915.06 is: 202,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,642.02 : 833,463.03 = 134,915.06 : x
  2. Step 2: Convert to fraction form
    555,642.02/833,463.03 = 134,915.06/x
  3. Step 3: Cross multiply
    555,642.02x = 833,463.03 × 134,915.06
  4. Step 4: Simplify right side
    555,642.02x = 112,446,714,700.23
  5. Step 5: Solve for x
    x = 112,446,714,700.23/555,642.02
  6. Step 6: Final answer
    x = 202,372.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.