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Finding the Fourth Proportional to 186,571.04, 257,460.54 and 101,686.28

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Solution

The fourth proportional to 186,571.04, 257,460.54 and 101,686.28 is: 140,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,571.04 : 257,460.54 = 101,686.28 : x
  2. Step 2: Convert to fraction form
    186,571.04/257,460.54 = 101,686.28/x
  3. Step 3: Cross multiply
    186,571.04x = 257,460.54 × 101,686.28
  4. Step 4: Simplify right side
    186,571.04x = 26,180,204,559.39
  5. Step 5: Solve for x
    x = 26,180,204,559.39/186,571.04
  6. Step 6: Final answer
    x = 140,322.98

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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.