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Finding the Fourth Proportional to 64,843,674.80, 97,253,070.60 and 19,406,951.60

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Solution

The fourth proportional to 64,843,674.80, 97,253,070.60 and 19,406,951.60 is: 29,106,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,843,674.80 : 97,253,070.60 = 19,406,951.60 : x
  2. Step 2: Convert to fraction form
    64,843,674.80/97,253,070.60 = 19,406,951.60/x
  3. Step 3: Cross multiply
    64,843,674.80x = 97,253,070.60 × 19,406,951.60
  4. Step 4: Simplify right side
    64,843,674.80x = 1,887,385,634,085,583
  5. Step 5: Solve for x
    x = 1,887,385,634,085,583/64,843,674.80
  6. Step 6: Final answer
    x = 29,106,703.77

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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.