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Finding the Fourth Proportional to 228,351.51, 342,570.30 and 70,543.03

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Solution

The fourth proportional to 228,351.51, 342,570.30 and 70,543.03 is: 105,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,351.51 : 342,570.30 = 70,543.03 : x
  2. Step 2: Convert to fraction form
    228,351.51/342,570.30 = 70,543.03/x
  3. Step 3: Cross multiply
    228,351.51x = 342,570.30 × 70,543.03
  4. Step 4: Simplify right side
    228,351.51x = 24,165,946,950.01
  5. Step 5: Solve for x
    x = 24,165,946,950.01/228,351.51
  6. Step 6: Final answer
    x = 105,827.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.