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Finding the Fourth Proportional to 70,853,417.60, 106,112,164.80 and 70,853,417.60

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Solution

The fourth proportional to 70,853,417.60, 106,112,164.80 and 70,853,417.60 is: 106,112,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,853,417.60 : 106,112,164.80 = 70,853,417.60 : x
  2. Step 2: Convert to fraction form
    70,853,417.60/106,112,164.80 = 70,853,417.60/x
  3. Step 3: Cross multiply
    70,853,417.60x = 106,112,164.80 × 70,853,417.60
  4. Step 4: Simplify right side
    70,853,417.60x = 7,518,409,525,014,420
  5. Step 5: Solve for x
    x = 7,518,409,525,014,420/70,853,417.60
  6. Step 6: Final answer
    x = 106,112,164.80

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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.