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Finding the Fourth Proportional to 228,137.63, 342,092.23 and 70,345.58

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Solution

The fourth proportional to 228,137.63, 342,092.23 and 70,345.58 is: 105,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,137.63 : 342,092.23 = 70,345.58 : x
  2. Step 2: Convert to fraction form
    228,137.63/342,092.23 = 70,345.58/x
  3. Step 3: Cross multiply
    228,137.63x = 342,092.23 × 70,345.58
  4. Step 4: Simplify right side
    228,137.63x = 24,064,676,332.84
  5. Step 5: Solve for x
    x = 24,064,676,332.84/228,137.63
  6. Step 6: Final answer
    x = 105,483.15

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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.