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Finding the Fourth Proportional to 201,651.04, 278,295.60 and 111,024.64

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Solution

The fourth proportional to 201,651.04, 278,295.60 and 111,024.64 is: 153,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,651.04 : 278,295.60 = 111,024.64 : x
  2. Step 2: Convert to fraction form
    201,651.04/278,295.60 = 111,024.64/x
  3. Step 3: Cross multiply
    201,651.04x = 278,295.60 × 111,024.64
  4. Step 4: Simplify right side
    201,651.04x = 30,897,668,803.58
  5. Step 5: Solve for x
    x = 30,897,668,803.58/201,651.04
  6. Step 6: Final answer
    x = 153,223.45

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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.