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Finding the Fourth Proportional to 122,516,946.90, 183,775,420.35 and 122,516,946.90

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Solution

The fourth proportional to 122,516,946.90, 183,775,420.35 and 122,516,946.90 is: 183,775,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,516,946.90 : 183,775,420.35 = 122,516,946.90 : x
  2. Step 2: Convert to fraction form
    122,516,946.90/183,775,420.35 = 122,516,946.90/x
  3. Step 3: Cross multiply
    122,516,946.90x = 183,775,420.35 × 122,516,946.90
  4. Step 4: Simplify right side
    122,516,946.90x = 22,515,603,416,546,128
  5. Step 5: Solve for x
    x = 22,515,603,416,546,128/122,516,946.90
  6. Step 6: Final answer
    x = 183,775,420.35

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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.