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Finding the Fourth Proportional to 104,575, 156,931.64 and 49,175.32

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Solution

The fourth proportional to 104,575, 156,931.64 and 49,175.32 is: 73,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,575 : 156,931.64 = 49,175.32 : x
  2. Step 2: Convert to fraction form
    104,575/156,931.64 = 49,175.32/x
  3. Step 3: Cross multiply
    104,575x = 156,931.64 × 49,175.32
  4. Step 4: Simplify right side
    104,575x = 7,717,163,615.12
  5. Step 5: Solve for x
    x = 7,717,163,615.12/104,575
  6. Step 6: Final answer
    x = 73,795.49

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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.