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Finding the Fourth Proportional to 64,830.04, 97,088.30 and 53,654.48

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Solution

The fourth proportional to 64,830.04, 97,088.30 and 53,654.48 is: 80,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,830.04 : 97,088.30 = 53,654.48 : x
  2. Step 2: Convert to fraction form
    64,830.04/97,088.30 = 53,654.48/x
  3. Step 3: Cross multiply
    64,830.04x = 97,088.30 × 53,654.48
  4. Step 4: Simplify right side
    64,830.04x = 5,209,222,250.58
  5. Step 5: Solve for x
    x = 5,209,222,250.58/64,830.04
  6. Step 6: Final answer
    x = 80,351.98

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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.