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Finding the Fourth Proportional to 118,963.53, 164,083.64 and 101,030.13

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Solution

The fourth proportional to 118,963.53, 164,083.64 and 101,030.13 is: 139,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,963.53 : 164,083.64 = 101,030.13 : x
  2. Step 2: Convert to fraction form
    118,963.53/164,083.64 = 101,030.13/x
  3. Step 3: Cross multiply
    118,963.53x = 164,083.64 × 101,030.13
  4. Step 4: Simplify right side
    118,963.53x = 16,577,391,480.07
  5. Step 5: Solve for x
    x = 16,577,391,480.07/118,963.53
  6. Step 6: Final answer
    x = 139,348.52

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1.5x scale

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.