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Finding the Fourth Proportional to 171,507.60, 257,952.60 and 153,536.40

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Solution

The fourth proportional to 171,507.60, 257,952.60 and 153,536.40 is: 230,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,507.60 : 257,952.60 = 153,536.40 : x
  2. Step 2: Convert to fraction form
    171,507.60/257,952.60 = 153,536.40/x
  3. Step 3: Cross multiply
    171,507.60x = 257,952.60 × 153,536.40
  4. Step 4: Simplify right side
    171,507.60x = 39,605,113,574.64
  5. Step 5: Solve for x
    x = 39,605,113,574.64/171,507.60
  6. Step 6: Final answer
    x = 230,923.37

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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.