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Finding the Fourth Proportional to 64,390,063.60, 96,697,069.80 and 34,156,975.60

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Solution

The fourth proportional to 64,390,063.60, 96,697,069.80 and 34,156,975.60 is: 51,294,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,390,063.60 : 96,697,069.80 = 34,156,975.60 : x
  2. Step 2: Convert to fraction form
    64,390,063.60/96,697,069.80 = 34,156,975.60/x
  3. Step 3: Cross multiply
    64,390,063.60x = 96,697,069.80 × 34,156,975.60
  4. Step 4: Simplify right side
    64,390,063.60x = 3,302,879,453,750,097
  5. Step 5: Solve for x
    x = 3,302,879,453,750,097/64,390,063.60
  6. Step 6: Final answer
    x = 51,294,862.42

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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.