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Finding the Fourth Proportional to 103,664.17, 143,068.16 and 58,353.17

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Solution

The fourth proportional to 103,664.17, 143,068.16 and 58,353.17 is: 80,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.17 : 143,068.16 = 58,353.17 : x
  2. Step 2: Convert to fraction form
    103,664.17/143,068.16 = 58,353.17/x
  3. Step 3: Cross multiply
    103,664.17x = 143,068.16 × 58,353.17
  4. Step 4: Simplify right side
    103,664.17x = 8,348,480,662.07
  5. Step 5: Solve for x
    x = 8,348,480,662.07/103,664.17
  6. Step 6: Final answer
    x = 80,533.91

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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.