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Finding the Fourth Proportional to 288,482.85, 432,771.30 and 88,803.27

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Solution

The fourth proportional to 288,482.85, 432,771.30 and 88,803.27 is: 133,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,482.85 : 432,771.30 = 88,803.27 : x
  2. Step 2: Convert to fraction form
    288,482.85/432,771.30 = 88,803.27/x
  3. Step 3: Cross multiply
    288,482.85x = 432,771.30 × 88,803.27
  4. Step 4: Simplify right side
    288,482.85x = 38,431,506,602.15
  5. Step 5: Solve for x
    x = 38,431,506,602.15/288,482.85
  6. Step 6: Final answer
    x = 133,219.38

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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.