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Finding the Fourth Proportional to 65,203,914.60, 97,805,871.90 and 46,072,038.60

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Solution

The fourth proportional to 65,203,914.60, 97,805,871.90 and 46,072,038.60 is: 69,108,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,914.60 : 97,805,871.90 = 46,072,038.60 : x
  2. Step 2: Convert to fraction form
    65,203,914.60/97,805,871.90 = 46,072,038.60/x
  3. Step 3: Cross multiply
    65,203,914.60x = 97,805,871.90 × 46,072,038.60
  4. Step 4: Simplify right side
    65,203,914.60x = 4,506,115,905,483,456
  5. Step 5: Solve for x
    x = 4,506,115,905,483,456/65,203,914.60
  6. Step 6: Final answer
    x = 69,108,057.90

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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.