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Finding the Fourth Proportional to 93,263.16, 128,619.18 and 59,722.68

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Solution

The fourth proportional to 93,263.16, 128,619.18 and 59,722.68 is: 82,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,263.16 : 128,619.18 = 59,722.68 : x
  2. Step 2: Convert to fraction form
    93,263.16/128,619.18 = 59,722.68/x
  3. Step 3: Cross multiply
    93,263.16x = 128,619.18 × 59,722.68
  4. Step 4: Simplify right side
    93,263.16x = 7,681,482,129.00
  5. Step 5: Solve for x
    x = 7,681,482,129.00/93,263.16
  6. Step 6: Final answer
    x = 82,363.52

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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.