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Finding the Fourth Proportional to 93,888.68, 129,566.37 and 56,162.93

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Solution

The fourth proportional to 93,888.68, 129,566.37 and 56,162.93 is: 77,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,888.68 : 129,566.37 = 56,162.93 : x
  2. Step 2: Convert to fraction form
    93,888.68/129,566.37 = 56,162.93/x
  3. Step 3: Cross multiply
    93,888.68x = 129,566.37 × 56,162.93
  4. Step 4: Simplify right side
    93,888.68x = 7,276,826,320.83
  5. Step 5: Solve for x
    x = 7,276,826,320.83/93,888.68
  6. Step 6: Final answer
    x = 77,504.84

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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.