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Finding the Fourth Proportional to 186,681.84, 257,627.16 and 101,803.56

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Solution

The fourth proportional to 186,681.84, 257,627.16 and 101,803.56 is: 140,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,681.84 : 257,627.16 = 101,803.56 : x
  2. Step 2: Convert to fraction form
    186,681.84/257,627.16 = 101,803.56/x
  3. Step 3: Cross multiply
    186,681.84x = 257,627.16 × 101,803.56
  4. Step 4: Simplify right side
    186,681.84x = 26,227,362,040.69
  5. Step 5: Solve for x
    x = 26,227,362,040.69/186,681.84
  6. Step 6: Final answer
    x = 140,492.31

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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.