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Finding the Fourth Proportional to 46,659,897.90, 65,391,041.70 and 46,659,897.90

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Solution

The fourth proportional to 46,659,897.90, 65,391,041.70 and 46,659,897.90 is: 65,391,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,659,897.90 : 65,391,041.70 = 46,659,897.90 : x
  2. Step 2: Convert to fraction form
    46,659,897.90/65,391,041.70 = 46,659,897.90/x
  3. Step 3: Cross multiply
    46,659,897.90x = 65,391,041.70 × 46,659,897.90
  4. Step 4: Simplify right side
    46,659,897.90x = 3,051,139,329,296,642.50
  5. Step 5: Solve for x
    x = 3,051,139,329,296,642.50/46,659,897.90
  6. Step 6: Final answer
    x = 65,391,041.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.