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Finding the Fourth Proportional to 173,879,651.60, 260,819,477.40 and 122,861,315.60

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Solution

The fourth proportional to 173,879,651.60, 260,819,477.40 and 122,861,315.60 is: 184,291,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,879,651.60 : 260,819,477.40 = 122,861,315.60 : x
  2. Step 2: Convert to fraction form
    173,879,651.60/260,819,477.40 = 122,861,315.60/x
  3. Step 3: Cross multiply
    173,879,651.60x = 260,819,477.40 × 122,861,315.60
  4. Step 4: Simplify right side
    173,879,651.60x = 32,044,624,127,468,468
  5. Step 5: Solve for x
    x = 32,044,624,127,468,468/173,879,651.60
  6. Step 6: Final answer
    x = 184,291,973.40

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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.