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Finding the Fourth Proportional to 64,679,719.60, 97,066,818.60 and 45,547,843.60

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Solution

The fourth proportional to 64,679,719.60, 97,066,818.60 and 45,547,843.60 is: 68,355,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679,719.60 : 97,066,818.60 = 45,547,843.60 : x
  2. Step 2: Convert to fraction form
    64,679,719.60/97,066,818.60 = 45,547,843.60/x
  3. Step 3: Cross multiply
    64,679,719.60x = 97,066,818.60 × 45,547,843.60
  4. Step 4: Simplify right side
    64,679,719.60x = 4,421,184,272,342,371
  5. Step 5: Solve for x
    x = 4,421,184,272,342,371/64,679,719.60
  6. Step 6: Final answer
    x = 68,355,031.53

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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.