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Finding the Fourth Proportional to 219,424.01, 302,803.40 and 118,822.01

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Solution

The fourth proportional to 219,424.01, 302,803.40 and 118,822.01 is: 163,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,424.01 : 302,803.40 = 118,822.01 : x
  2. Step 2: Convert to fraction form
    219,424.01/302,803.40 = 118,822.01/x
  3. Step 3: Cross multiply
    219,424.01x = 302,803.40 × 118,822.01
  4. Step 4: Simplify right side
    219,424.01x = 35,979,708,622.83
  5. Step 5: Solve for x
    x = 35,979,708,622.83/219,424.01
  6. Step 6: Final answer
    x = 163,973.43

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