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Finding the Fourth Proportional to 106,492.92, 146,985.84 and 64,043.25

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Solution

The fourth proportional to 106,492.92, 146,985.84 and 64,043.25 is: 88,395.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,492.92 : 146,985.84 = 64,043.25 : x
  2. Step 2: Convert to fraction form
    106,492.92/146,985.84 = 64,043.25/x
  3. Step 3: Cross multiply
    106,492.92x = 146,985.84 × 64,043.25
  4. Step 4: Simplify right side
    106,492.92x = 9,413,450,897.58
  5. Step 5: Solve for x
    x = 9,413,450,897.58/106,492.92
  6. Step 6: Final answer
    x = 88,395.09

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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.