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Finding the Fourth Proportional to 186,018.48, 256,716 and 101,133.72

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Solution

The fourth proportional to 186,018.48, 256,716 and 101,133.72 is: 139,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,018.48 : 256,716 = 101,133.72 : x
  2. Step 2: Convert to fraction form
    186,018.48/256,716 = 101,133.72/x
  3. Step 3: Cross multiply
    186,018.48x = 256,716 × 101,133.72
  4. Step 4: Simplify right side
    186,018.48x = 25,962,644,063.52
  5. Step 5: Solve for x
    x = 25,962,644,063.52/186,018.48
  6. Step 6: Final answer
    x = 139,570.24

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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.