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Finding the Fourth Proportional to 186,095.80, 256,804.79 and 101,212.93

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Solution

The fourth proportional to 186,095.80, 256,804.79 and 101,212.93 is: 139,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,095.80 : 256,804.79 = 101,212.93 : x
  2. Step 2: Convert to fraction form
    186,095.80/256,804.79 = 101,212.93/x
  3. Step 3: Cross multiply
    186,095.80x = 256,804.79 × 101,212.93
  4. Step 4: Simplify right side
    186,095.80x = 25,991,965,233.93
  5. Step 5: Solve for x
    x = 25,991,965,233.93/186,095.80
  6. Step 6: Final answer
    x = 139,669.81

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1.5x scale

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.