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Finding the Fourth Proportional to 93,209.84, 139,698.08 and 73,410.16

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Solution

The fourth proportional to 93,209.84, 139,698.08 and 73,410.16 is: 110,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,209.84 : 139,698.08 = 73,410.16 : x
  2. Step 2: Convert to fraction form
    93,209.84/139,698.08 = 73,410.16/x
  3. Step 3: Cross multiply
    93,209.84x = 139,698.08 × 73,410.16
  4. Step 4: Simplify right side
    93,209.84x = 10,255,258,404.49
  5. Step 5: Solve for x
    x = 10,255,258,404.49/93,209.84
  6. Step 6: Final answer
    x = 110,023.35

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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.