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Finding the Fourth Proportional to 88,658.42, 133,051.48 and 35,319.51

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Solution

The fourth proportional to 88,658.42, 133,051.48 and 35,319.51 is: 53,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,658.42 : 133,051.48 = 35,319.51 : x
  2. Step 2: Convert to fraction form
    88,658.42/133,051.48 = 35,319.51/x
  3. Step 3: Cross multiply
    88,658.42x = 133,051.48 × 35,319.51
  4. Step 4: Simplify right side
    88,658.42x = 4,699,312,990.08
  5. Step 5: Solve for x
    x = 4,699,312,990.08/88,658.42
  6. Step 6: Final answer
    x = 53,004.70

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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.