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Finding the Fourth Proportional to 242,491.64, 334,647.48 and 133,600.40

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Solution

The fourth proportional to 242,491.64, 334,647.48 and 133,600.40 is: 184,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,491.64 : 334,647.48 = 133,600.40 : x
  2. Step 2: Convert to fraction form
    242,491.64/334,647.48 = 133,600.40/x
  3. Step 3: Cross multiply
    242,491.64x = 334,647.48 × 133,600.40
  4. Step 4: Simplify right side
    242,491.64x = 44,709,037,186.99
  5. Step 5: Solve for x
    x = 44,709,037,186.99/242,491.64
  6. Step 6: Final answer
    x = 184,373.52

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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.