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Finding the Fourth Proportional to 65,314.81, 97,430.00 and 63,128.27

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Solution

The fourth proportional to 65,314.81, 97,430.00 and 63,128.27 is: 94,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,314.81 : 97,430.00 = 63,128.27 : x
  2. Step 2: Convert to fraction form
    65,314.81/97,430.00 = 63,128.27/x
  3. Step 3: Cross multiply
    65,314.81x = 97,430.00 × 63,128.27
  4. Step 4: Simplify right side
    65,314.81x = 6,150,587,747.50
  5. Step 5: Solve for x
    x = 6,150,587,747.50/65,314.81
  6. Step 6: Final answer
    x = 94,168.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.