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Finding the Fourth Proportional to 104,056.04, 143,597.71 and 56,309.38

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Solution

The fourth proportional to 104,056.04, 143,597.71 and 56,309.38 is: 77,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,056.04 : 143,597.71 = 56,309.38 : x
  2. Step 2: Convert to fraction form
    104,056.04/143,597.71 = 56,309.38/x
  3. Step 3: Cross multiply
    104,056.04x = 143,597.71 × 56,309.38
  4. Step 4: Simplify right side
    104,056.04x = 8,085,897,730.91
  5. Step 5: Solve for x
    x = 8,085,897,730.91/104,056.04
  6. Step 6: Final answer
    x = 77,707.14

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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.