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Finding the Fourth Proportional to 104,999.60, 157,499.40 and 103,271.60

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Solution

The fourth proportional to 104,999.60, 157,499.40 and 103,271.60 is: 154,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,999.60 : 157,499.40 = 103,271.60 : x
  2. Step 2: Convert to fraction form
    104,999.60/157,499.40 = 103,271.60/x
  3. Step 3: Cross multiply
    104,999.60x = 157,499.40 × 103,271.60
  4. Step 4: Simplify right side
    104,999.60x = 16,265,215,037.04
  5. Step 5: Solve for x
    x = 16,265,215,037.04/104,999.60
  6. Step 6: Final answer
    x = 154,907.40

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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.