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Finding the Fourth Proportional to 243,939.12, 365,762.88 and 94,055.12

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Solution

The fourth proportional to 243,939.12, 365,762.88 and 94,055.12 is: 141,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,939.12 : 365,762.88 = 94,055.12 : x
  2. Step 2: Convert to fraction form
    243,939.12/365,762.88 = 94,055.12/x
  3. Step 3: Cross multiply
    243,939.12x = 365,762.88 × 94,055.12
  4. Step 4: Simplify right side
    243,939.12x = 34,401,871,569.95
  5. Step 5: Solve for x
    x = 34,401,871,569.95/243,939.12
  6. Step 6: Final answer
    x = 141,026.46

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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.