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Finding the Fourth Proportional to 156,617,628.30, 234,926,442.45 and 156,617,628.30

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Solution

The fourth proportional to 156,617,628.30, 234,926,442.45 and 156,617,628.30 is: 234,926,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,617,628.30 : 234,926,442.45 = 156,617,628.30 : x
  2. Step 2: Convert to fraction form
    156,617,628.30/234,926,442.45 = 156,617,628.30/x
  3. Step 3: Cross multiply
    156,617,628.30x = 234,926,442.45 × 156,617,628.30
  4. Step 4: Simplify right side
    156,617,628.30x = 36,793,622,241,475,440
  5. Step 5: Solve for x
    x = 36,793,622,241,475,440/156,617,628.30
  6. Step 6: Final answer
    x = 234,926,442.45

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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.