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Finding the Fourth Proportional to 264,061.60, 395,554.80 and 163,914.40

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Solution

The fourth proportional to 264,061.60, 395,554.80 and 163,914.40 is: 245,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,061.60 : 395,554.80 = 163,914.40 : x
  2. Step 2: Convert to fraction form
    264,061.60/395,554.80 = 163,914.40/x
  3. Step 3: Cross multiply
    264,061.60x = 395,554.80 × 163,914.40
  4. Step 4: Simplify right side
    264,061.60x = 64,837,127,709.12
  5. Step 5: Solve for x
    x = 64,837,127,709.12/264,061.60
  6. Step 6: Final answer
    x = 245,537.89

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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.