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Finding the Fourth Proportional to 98,848.01, 136,410.91 and 53,525.99

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Solution

The fourth proportional to 98,848.01, 136,410.91 and 53,525.99 is: 73,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,848.01 : 136,410.91 = 53,525.99 : x
  2. Step 2: Convert to fraction form
    98,848.01/136,410.91 = 53,525.99/x
  3. Step 3: Cross multiply
    98,848.01x = 136,410.91 × 53,525.99
  4. Step 4: Simplify right side
    98,848.01x = 7,301,528,395.89
  5. Step 5: Solve for x
    x = 7,301,528,395.89/98,848.01
  6. Step 6: Final answer
    x = 73,866.22

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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.