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Finding the Fourth Proportional to 186,295.22, 257,086.11 and 101,412.08

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Solution

The fourth proportional to 186,295.22, 257,086.11 and 101,412.08 is: 139,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,295.22 : 257,086.11 = 101,412.08 : x
  2. Step 2: Convert to fraction form
    186,295.22/257,086.11 = 101,412.08/x
  3. Step 3: Cross multiply
    186,295.22x = 257,086.11 × 101,412.08
  4. Step 4: Simplify right side
    186,295.22x = 26,071,637,154.21
  5. Step 5: Solve for x
    x = 26,071,637,154.21/186,295.22
  6. Step 6: Final answer
    x = 139,947.97

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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.