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Finding the Fourth Proportional to 186,303.96, 257,092.92 and 101,419.20

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Solution

The fourth proportional to 186,303.96, 257,092.92 and 101,419.20 is: 139,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,303.96 : 257,092.92 = 101,419.20 : x
  2. Step 2: Convert to fraction form
    186,303.96/257,092.92 = 101,419.20/x
  3. Step 3: Cross multiply
    186,303.96x = 257,092.92 × 101,419.20
  4. Step 4: Simplify right side
    186,303.96x = 26,074,158,272.06
  5. Step 5: Solve for x
    x = 26,074,158,272.06/186,303.96
  6. Step 6: Final answer
    x = 139,954.93

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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.