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Finding the Fourth Proportional to 46,803,189.20, 70,078,812.60 and 46,803,189.20

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Solution

The fourth proportional to 46,803,189.20, 70,078,812.60 and 46,803,189.20 is: 70,078,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,803,189.20 : 70,078,812.60 = 46,803,189.20 : x
  2. Step 2: Convert to fraction form
    46,803,189.20/70,078,812.60 = 46,803,189.20/x
  3. Step 3: Cross multiply
    46,803,189.20x = 70,078,812.60 × 46,803,189.20
  4. Step 4: Simplify right side
    46,803,189.20x = 3,279,911,925,029,144
  5. Step 5: Solve for x
    x = 3,279,911,925,029,144/46,803,189.20
  6. Step 6: Final answer
    x = 70,078,812.60

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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.