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Finding the Fourth Proportional to 31,159,097.40, 46,738,646.10 and 31,159,097.40

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Solution

The fourth proportional to 31,159,097.40, 46,738,646.10 and 31,159,097.40 is: 46,738,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159,097.40 : 46,738,646.10 = 31,159,097.40 : x
  2. Step 2: Convert to fraction form
    31,159,097.40/46,738,646.10 = 31,159,097.40/x
  3. Step 3: Cross multiply
    31,159,097.40x = 46,738,646.10 × 31,159,097.40
  4. Step 4: Simplify right side
    31,159,097.40x = 1,456,334,026,174,030
  5. Step 5: Solve for x
    x = 1,456,334,026,174,030/31,159,097.40
  6. Step 6: Final answer
    x = 46,738,646.10

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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.