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Finding the Fourth Proportional to 46,790,643.40, 70,185,965.10 and 46,790,643.40

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Solution

The fourth proportional to 46,790,643.40, 70,185,965.10 and 46,790,643.40 is: 70,185,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,790,643.40 : 70,185,965.10 = 46,790,643.40 : x
  2. Step 2: Convert to fraction form
    46,790,643.40/70,185,965.10 = 46,790,643.40/x
  3. Step 3: Cross multiply
    46,790,643.40x = 70,185,965.10 × 46,790,643.40
  4. Step 4: Simplify right side
    46,790,643.40x = 3,284,046,464,678,945
  5. Step 5: Solve for x
    x = 3,284,046,464,678,945/46,790,643.40
  6. Step 6: Final answer
    x = 70,185,965.10

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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.