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Finding the Fourth Proportional to 210,136.60, 314,859.30 and 174,885.40

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Solution

The fourth proportional to 210,136.60, 314,859.30 and 174,885.40 is: 262,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,136.60 : 314,859.30 = 174,885.40 : x
  2. Step 2: Convert to fraction form
    210,136.60/314,859.30 = 174,885.40/x
  3. Step 3: Cross multiply
    210,136.60x = 314,859.30 × 174,885.40
  4. Step 4: Simplify right side
    210,136.60x = 55,064,294,624.22
  5. Step 5: Solve for x
    x = 55,064,294,624.22/210,136.60
  6. Step 6: Final answer
    x = 262,040.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.