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Finding the Fourth Proportional to 98,507.49, 147,524.49 and 56,259.63

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Solution

The fourth proportional to 98,507.49, 147,524.49 and 56,259.63 is: 84,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,507.49 : 147,524.49 = 56,259.63 : x
  2. Step 2: Convert to fraction form
    98,507.49/147,524.49 = 56,259.63/x
  3. Step 3: Cross multiply
    98,507.49x = 147,524.49 × 56,259.63
  4. Step 4: Simplify right side
    98,507.49x = 8,299,673,223.34
  5. Step 5: Solve for x
    x = 8,299,673,223.34/98,507.49
  6. Step 6: Final answer
    x = 84,254.24

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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.