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Finding the Fourth Proportional to 186,208.63, 256,967.90 and 101,326.30

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Solution

The fourth proportional to 186,208.63, 256,967.90 and 101,326.30 is: 139,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,208.63 : 256,967.90 = 101,326.30 : x
  2. Step 2: Convert to fraction form
    186,208.63/256,967.90 = 101,326.30/x
  3. Step 3: Cross multiply
    186,208.63x = 256,967.90 × 101,326.30
  4. Step 4: Simplify right side
    186,208.63x = 26,037,606,525.77
  5. Step 5: Solve for x
    x = 26,037,606,525.77/186,208.63
  6. Step 6: Final answer
    x = 139,830.29

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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.