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Finding the Fourth Proportional to 217,133, 325,699.64 and 59,349.60

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Solution

The fourth proportional to 217,133, 325,699.64 and 59,349.60 is: 89,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,133 : 325,699.64 = 59,349.60 : x
  2. Step 2: Convert to fraction form
    217,133/325,699.64 = 59,349.60/x
  3. Step 3: Cross multiply
    217,133x = 325,699.64 × 59,349.60
  4. Step 4: Simplify right side
    217,133x = 19,330,143,354.14
  5. Step 5: Solve for x
    x = 19,330,143,354.14/217,133
  6. Step 6: Final answer
    x = 89,024.44

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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.