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Finding the Fourth Proportional to 98,014.50, 135,260.01 and 53,302.50

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Solution

The fourth proportional to 98,014.50, 135,260.01 and 53,302.50 is: 73,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,014.50 : 135,260.01 = 53,302.50 : x
  2. Step 2: Convert to fraction form
    98,014.50/135,260.01 = 53,302.50/x
  3. Step 3: Cross multiply
    98,014.50x = 135,260.01 × 53,302.50
  4. Step 4: Simplify right side
    98,014.50x = 7,209,696,683.03
  5. Step 5: Solve for x
    x = 7,209,696,683.03/98,014.50
  6. Step 6: Final answer
    x = 73,557.45

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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.