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Finding the Fourth Proportional to 185,885.84, 256,526.28 and 101,008.40

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Solution

The fourth proportional to 185,885.84, 256,526.28 and 101,008.40 is: 139,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,885.84 : 256,526.28 = 101,008.40 : x
  2. Step 2: Convert to fraction form
    185,885.84/256,526.28 = 101,008.40/x
  3. Step 3: Cross multiply
    185,885.84x = 256,526.28 × 101,008.40
  4. Step 4: Simplify right side
    185,885.84x = 25,911,309,100.75
  5. Step 5: Solve for x
    x = 25,911,309,100.75/185,885.84
  6. Step 6: Final answer
    x = 139,393.67

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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.