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Finding the Fourth Proportional to 176,037.40, 264,056.10 and 57,720.70

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Solution

The fourth proportional to 176,037.40, 264,056.10 and 57,720.70 is: 86,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,037.40 : 264,056.10 = 57,720.70 : x
  2. Step 2: Convert to fraction form
    176,037.40/264,056.10 = 57,720.70/x
  3. Step 3: Cross multiply
    176,037.40x = 264,056.10 × 57,720.70
  4. Step 4: Simplify right side
    176,037.40x = 15,241,502,931.27
  5. Step 5: Solve for x
    x = 15,241,502,931.27/176,037.40
  6. Step 6: Final answer
    x = 86,581.05

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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.