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Finding the Fourth Proportional to 99,323.60, 148,855.80 and 46,009.40

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Solution

The fourth proportional to 99,323.60, 148,855.80 and 46,009.40 is: 68,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,323.60 : 148,855.80 = 46,009.40 : x
  2. Step 2: Convert to fraction form
    99,323.60/148,855.80 = 46,009.40/x
  3. Step 3: Cross multiply
    99,323.60x = 148,855.80 × 46,009.40
  4. Step 4: Simplify right side
    99,323.60x = 6,848,766,044.52
  5. Step 5: Solve for x
    x = 6,848,766,044.52/99,323.60
  6. Step 6: Final answer
    x = 68,954.07

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1.5x scale

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.