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Finding the Fourth Proportional to 261,754.94, 392,616.77 and 93,266.34

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Solution

The fourth proportional to 261,754.94, 392,616.77 and 93,266.34 is: 139,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,754.94 : 392,616.77 = 93,266.34 : x
  2. Step 2: Convert to fraction form
    261,754.94/392,616.77 = 93,266.34/x
  3. Step 3: Cross multiply
    261,754.94x = 392,616.77 × 93,266.34
  4. Step 4: Simplify right side
    261,754.94x = 36,617,927,746.50
  5. Step 5: Solve for x
    x = 36,617,927,746.50/261,754.94
  6. Step 6: Final answer
    x = 139,893.93

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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.