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Finding the Fourth Proportional to 97,667.70, 146,501.55 and 64,425.30

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Solution

The fourth proportional to 97,667.70, 146,501.55 and 64,425.30 is: 96,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,667.70 : 146,501.55 = 64,425.30 : x
  2. Step 2: Convert to fraction form
    97,667.70/146,501.55 = 64,425.30/x
  3. Step 3: Cross multiply
    97,667.70x = 146,501.55 × 64,425.30
  4. Step 4: Simplify right side
    97,667.70x = 9,438,406,309.22
  5. Step 5: Solve for x
    x = 9,438,406,309.22/97,667.70
  6. Step 6: Final answer
    x = 96,637.95

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1.5x scale

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.