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Finding the Fourth Proportional to 94,903.16, 130,960.73 and 52,459.16

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Solution

The fourth proportional to 94,903.16, 130,960.73 and 52,459.16 is: 72,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,903.16 : 130,960.73 = 52,459.16 : x
  2. Step 2: Convert to fraction form
    94,903.16/130,960.73 = 52,459.16/x
  3. Step 3: Cross multiply
    94,903.16x = 130,960.73 × 52,459.16
  4. Step 4: Simplify right side
    94,903.16x = 6,870,089,365.13
  5. Step 5: Solve for x
    x = 6,870,089,365.13/94,903.16
  6. Step 6: Final answer
    x = 72,390.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.