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Finding the Fourth Proportional to 79,745,587.60, 119,674,368.60 and 34,339,968.40

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Solution

The fourth proportional to 79,745,587.60, 119,674,368.60 and 34,339,968.40 is: 51,534,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,745,587.60 : 119,674,368.60 = 34,339,968.40 : x
  2. Step 2: Convert to fraction form
    79,745,587.60/119,674,368.60 = 34,339,968.40/x
  3. Step 3: Cross multiply
    79,745,587.60x = 119,674,368.60 × 34,339,968.40
  4. Step 4: Simplify right side
    79,745,587.60x = 4,109,614,036,013,952
  5. Step 5: Solve for x
    x = 4,109,614,036,013,952/79,745,587.60
  6. Step 6: Final answer
    x = 51,534,061.75

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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.