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Finding the Fourth Proportional to 186,549.77, 257,447.80 and 104,903.71

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Solution

The fourth proportional to 186,549.77, 257,447.80 and 104,903.71 is: 144,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,549.77 : 257,447.80 = 104,903.71 : x
  2. Step 2: Convert to fraction form
    186,549.77/257,447.80 = 104,903.71/x
  3. Step 3: Cross multiply
    186,549.77x = 257,447.80 × 104,903.71
  4. Step 4: Simplify right side
    186,549.77x = 27,007,229,804.28
  5. Step 5: Solve for x
    x = 27,007,229,804.28/186,549.77
  6. Step 6: Final answer
    x = 144,772.25

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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.