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Finding the Fourth Proportional to 66,560,720, 99,841,080 and 16,130,768

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Solution

The fourth proportional to 66,560,720, 99,841,080 and 16,130,768 is: 24,196,152

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,560,720 : 99,841,080 = 16,130,768 : x
  2. Step 2: Convert to fraction form
    66,560,720/99,841,080 = 16,130,768/x
  3. Step 3: Cross multiply
    66,560,720x = 99,841,080 × 16,130,768
  4. Step 4: Simplify right side
    66,560,720x = 1,610,513,298,349,440
  5. Step 5: Solve for x
    x = 1,610,513,298,349,440/66,560,720
  6. Step 6: Final answer
    x = 24,196,152

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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.