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Finding the Fourth Proportional to 174,358.35, 261,288 and 99,323.64

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Solution

The fourth proportional to 174,358.35, 261,288 and 99,323.64 is: 148,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,358.35 : 261,288 = 99,323.64 : x
  2. Step 2: Convert to fraction form
    174,358.35/261,288 = 99,323.64/x
  3. Step 3: Cross multiply
    174,358.35x = 261,288 × 99,323.64
  4. Step 4: Simplify right side
    174,358.35x = 25,952,075,248.32
  5. Step 5: Solve for x
    x = 25,952,075,248.32/174,358.35
  6. Step 6: Final answer
    x = 148,843.32

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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.