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Finding the Fourth Proportional to 216,762.01, 299,232 and 126,084.94

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Solution

The fourth proportional to 216,762.01, 299,232 and 126,084.94 is: 174,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,762.01 : 299,232 = 126,084.94 : x
  2. Step 2: Convert to fraction form
    216,762.01/299,232 = 126,084.94/x
  3. Step 3: Cross multiply
    216,762.01x = 299,232 × 126,084.94
  4. Step 4: Simplify right side
    216,762.01x = 37,728,648,018
  5. Step 5: Solve for x
    x = 37,728,648,018/216,762.01
  6. Step 6: Final answer
    x = 174,055.63

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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.