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Finding the Fourth Proportional to 99,095.94, 136,751.70 and 53,772.77

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Solution

The fourth proportional to 99,095.94, 136,751.70 and 53,772.77 is: 74,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,095.94 : 136,751.70 = 53,772.77 : x
  2. Step 2: Convert to fraction form
    99,095.94/136,751.70 = 53,772.77/x
  3. Step 3: Cross multiply
    99,095.94x = 136,751.70 × 53,772.77
  4. Step 4: Simplify right side
    99,095.94x = 7,353,518,053.09
  5. Step 5: Solve for x
    x = 7,353,518,053.09/99,095.94
  6. Step 6: Final answer
    x = 74,206.05

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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.