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Finding the Fourth Proportional to 186,777.52, 257,752.64 and 101,894.58

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Solution

The fourth proportional to 186,777.52, 257,752.64 and 101,894.58 is: 140,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,777.52 : 257,752.64 = 101,894.58 : x
  2. Step 2: Convert to fraction form
    186,777.52/257,752.64 = 101,894.58/x
  3. Step 3: Cross multiply
    186,777.52x = 257,752.64 × 101,894.58
  4. Step 4: Simplify right side
    186,777.52x = 26,263,596,996.69
  5. Step 5: Solve for x
    x = 26,263,596,996.69/186,777.52
  6. Step 6: Final answer
    x = 140,614.34

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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.