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Finding the Fourth Proportional to 219,543.36, 302,965.90 and 124,048.01

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Solution

The fourth proportional to 219,543.36, 302,965.90 and 124,048.01 is: 171,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,543.36 : 302,965.90 = 124,048.01 : x
  2. Step 2: Convert to fraction form
    219,543.36/302,965.90 = 124,048.01/x
  3. Step 3: Cross multiply
    219,543.36x = 302,965.90 × 124,048.01
  4. Step 4: Simplify right side
    219,543.36x = 37,582,316,992.86
  5. Step 5: Solve for x
    x = 37,582,316,992.86/219,543.36
  6. Step 6: Final answer
    x = 171,184.03

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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.