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Finding the Fourth Proportional to 176,616,007.20, 264,829,532.40 and 74,264,407.20

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Solution

The fourth proportional to 176,616,007.20, 264,829,532.40 and 74,264,407.20 is: 111,356,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,616,007.20 : 264,829,532.40 = 74,264,407.20 : x
  2. Step 2: Convert to fraction form
    176,616,007.20/264,829,532.40 = 74,264,407.20/x
  3. Step 3: Cross multiply
    176,616,007.20x = 264,829,532.40 × 74,264,407.20
  4. Step 4: Simplify right side
    176,616,007.20x = 19,667,408,232,739,196
  5. Step 5: Solve for x
    x = 19,667,408,232,739,196/176,616,007.20
  6. Step 6: Final answer
    x = 111,356,884.04

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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.