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Finding the Fourth Proportional to 145,009.17, 217,593.03 and 56,266.17

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Solution

The fourth proportional to 145,009.17, 217,593.03 and 56,266.17 is: 84,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,009.17 : 217,593.03 = 56,266.17 : x
  2. Step 2: Convert to fraction form
    145,009.17/217,593.03 = 56,266.17/x
  3. Step 3: Cross multiply
    145,009.17x = 217,593.03 × 56,266.17
  4. Step 4: Simplify right side
    145,009.17x = 12,243,126,416.80
  5. Step 5: Solve for x
    x = 12,243,126,416.80/145,009.17
  6. Step 6: Final answer
    x = 84,430.02

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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.