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Finding the Fourth Proportional to 93,599.68, 129,093.24 and 70,705.90

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Solution

The fourth proportional to 93,599.68, 129,093.24 and 70,705.90 is: 97,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,599.68 : 129,093.24 = 70,705.90 : x
  2. Step 2: Convert to fraction form
    93,599.68/129,093.24 = 70,705.90/x
  3. Step 3: Cross multiply
    93,599.68x = 129,093.24 × 70,705.90
  4. Step 4: Simplify right side
    93,599.68x = 9,127,653,718.12
  5. Step 5: Solve for x
    x = 9,127,653,718.12/93,599.68
  6. Step 6: Final answer
    x = 97,518.00

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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.