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Finding the Fourth Proportional to 555,369.32, 833,056.72 and 134,645.20

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Solution

The fourth proportional to 555,369.32, 833,056.72 and 134,645.20 is: 201,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,369.32 : 833,056.72 = 134,645.20 : x
  2. Step 2: Convert to fraction form
    555,369.32/833,056.72 = 134,645.20/x
  3. Step 3: Cross multiply
    555,369.32x = 833,056.72 × 134,645.20
  4. Step 4: Simplify right side
    555,369.32x = 112,167,088,675.74
  5. Step 5: Solve for x
    x = 112,167,088,675.74/555,369.32
  6. Step 6: Final answer
    x = 201,968.46

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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.