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Finding the Fourth Proportional to 66,065,718.15, 99,098,577.23 and 66,065,718.15

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Solution

The fourth proportional to 66,065,718.15, 99,098,577.23 and 66,065,718.15 is: 99,098,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065,718.15 : 99,098,577.23 = 66,065,718.15 : x
  2. Step 2: Convert to fraction form
    66,065,718.15/99,098,577.23 = 66,065,718.15/x
  3. Step 3: Cross multiply
    66,065,718.15x = 99,098,577.23 × 66,065,718.15
  4. Step 4: Simplify right side
    66,065,718.15x = 6,547,018,672,012,859
  5. Step 5: Solve for x
    x = 6,547,018,672,012,859/66,065,718.15
  6. Step 6: Final answer
    x = 99,098,577.23

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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.