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Finding the Fourth Proportional to 46,799.70, 70,090.20 and 45,860.10

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Solution

The fourth proportional to 46,799.70, 70,090.20 and 45,860.10 is: 68,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,799.70 : 70,090.20 = 45,860.10 : x
  2. Step 2: Convert to fraction form
    46,799.70/70,090.20 = 45,860.10/x
  3. Step 3: Cross multiply
    46,799.70x = 70,090.20 × 45,860.10
  4. Step 4: Simplify right side
    46,799.70x = 3,214,343,581.02
  5. Step 5: Solve for x
    x = 3,214,343,581.02/46,799.70
  6. Step 6: Final answer
    x = 68,683.00

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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.