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Finding the Fourth Proportional to 89,807,597.16, 123,927,061.15 and 50,658,995.90

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Solution

The fourth proportional to 89,807,597.16, 123,927,061.15 and 50,658,995.90 is: 69,905,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,807,597.16 : 123,927,061.15 = 50,658,995.90 : x
  2. Step 2: Convert to fraction form
    89,807,597.16/123,927,061.15 = 50,658,995.90/x
  3. Step 3: Cross multiply
    89,807,597.16x = 123,927,061.15 × 50,658,995.90
  4. Step 4: Simplify right side
    89,807,597.16x = 6,278,020,482,077,265
  5. Step 5: Solve for x
    x = 6,278,020,482,077,265/89,807,597.16
  6. Step 6: Final answer
    x = 69,905,227.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.