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Finding the Fourth Proportional to 118,244.32, 177,400.32 and 39,410.08

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Solution

The fourth proportional to 118,244.32, 177,400.32 and 39,410.08 is: 59,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,244.32 : 177,400.32 = 39,410.08 : x
  2. Step 2: Convert to fraction form
    118,244.32/177,400.32 = 39,410.08/x
  3. Step 3: Cross multiply
    118,244.32x = 177,400.32 × 39,410.08
  4. Step 4: Simplify right side
    118,244.32x = 6,991,360,803.23
  5. Step 5: Solve for x
    x = 6,991,360,803.23/118,244.32
  6. Step 6: Final answer
    x = 59,126.40

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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.