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Finding the Fourth Proportional to 112,360.94, 155,058.90 and 62,059.94

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Solution

The fourth proportional to 112,360.94, 155,058.90 and 62,059.94 is: 85,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,360.94 : 155,058.90 = 62,059.94 : x
  2. Step 2: Convert to fraction form
    112,360.94/155,058.90 = 62,059.94/x
  3. Step 3: Cross multiply
    112,360.94x = 155,058.90 × 62,059.94
  4. Step 4: Simplify right side
    112,360.94x = 9,622,946,030.47
  5. Step 5: Solve for x
    x = 9,622,946,030.47/112,360.94
  6. Step 6: Final answer
    x = 85,643.16

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Why These Related Problems?

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