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Finding the Fourth Proportional to 145,762.36, 201,153.18 and 82,094.20

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Solution

The fourth proportional to 145,762.36, 201,153.18 and 82,094.20 is: 113,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,762.36 : 201,153.18 = 82,094.20 : x
  2. Step 2: Convert to fraction form
    145,762.36/201,153.18 = 82,094.20/x
  3. Step 3: Cross multiply
    145,762.36x = 201,153.18 × 82,094.20
  4. Step 4: Simplify right side
    145,762.36x = 16,513,509,389.56
  5. Step 5: Solve for x
    x = 16,513,509,389.56/145,762.36
  6. Step 6: Final answer
    x = 113,290.63

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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.