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Finding the Fourth Proportional to 104,987.48, 157,435 and 38,410.32

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Solution

The fourth proportional to 104,987.48, 157,435 and 38,410.32 is: 57,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,987.48 : 157,435 = 38,410.32 : x
  2. Step 2: Convert to fraction form
    104,987.48/157,435 = 38,410.32/x
  3. Step 3: Cross multiply
    104,987.48x = 157,435 × 38,410.32
  4. Step 4: Simplify right side
    104,987.48x = 6,047,128,729.20
  5. Step 5: Solve for x
    x = 6,047,128,729.20/104,987.48
  6. Step 6: Final answer
    x = 57,598.57

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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.