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Finding the Fourth Proportional to 173,868,330.40, 260,802,495.60 and 155,728,477.60

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Solution

The fourth proportional to 173,868,330.40, 260,802,495.60 and 155,728,477.60 is: 233,592,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868,330.40 : 260,802,495.60 = 155,728,477.60 : x
  2. Step 2: Convert to fraction form
    173,868,330.40/260,802,495.60 = 155,728,477.60/x
  3. Step 3: Cross multiply
    173,868,330.40x = 260,802,495.60 × 155,728,477.60
  4. Step 4: Simplify right side
    173,868,330.40x = 40,614,375,594,068,696
  5. Step 5: Solve for x
    x = 40,614,375,594,068,696/173,868,330.40
  6. Step 6: Final answer
    x = 233,592,716.40

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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.