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Finding the Fourth Proportional to 104,923.20, 147,307.20 and 104,923.20

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Solution

The fourth proportional to 104,923.20, 147,307.20 and 104,923.20 is: 147,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,923.20 : 147,307.20 = 104,923.20 : x
  2. Step 2: Convert to fraction form
    104,923.20/147,307.20 = 104,923.20/x
  3. Step 3: Cross multiply
    104,923.20x = 147,307.20 × 104,923.20
  4. Step 4: Simplify right side
    104,923.20x = 15,455,942,807.04
  5. Step 5: Solve for x
    x = 15,455,942,807.04/104,923.20
  6. Step 6: Final answer
    x = 147,307.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.