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Finding the Fourth Proportional to 93,223.66, 128,647.99 and 50,782.19

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Solution

The fourth proportional to 93,223.66, 128,647.99 and 50,782.19 is: 70,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,223.66 : 128,647.99 = 50,782.19 : x
  2. Step 2: Convert to fraction form
    93,223.66/128,647.99 = 50,782.19/x
  3. Step 3: Cross multiply
    93,223.66x = 128,647.99 × 50,782.19
  4. Step 4: Simplify right side
    93,223.66x = 6,533,026,671.30
  5. Step 5: Solve for x
    x = 6,533,026,671.30/93,223.66
  6. Step 6: Final answer
    x = 70,079.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.