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Finding the Fourth Proportional to 104,457,643.60, 156,737,959.80 and 46,990,584.40

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Solution

The fourth proportional to 104,457,643.60, 156,737,959.80 and 46,990,584.40 is: 70,509,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,457,643.60 : 156,737,959.80 = 46,990,584.40 : x
  2. Step 2: Convert to fraction form
    104,457,643.60/156,737,959.80 = 46,990,584.40/x
  3. Step 3: Cross multiply
    104,457,643.60x = 156,737,959.80 × 46,990,584.40
  4. Step 4: Simplify right side
    104,457,643.60x = 7,365,208,328,665,707
  5. Step 5: Solve for x
    x = 7,365,208,328,665,707/104,457,643.60
  6. Step 6: Final answer
    x = 70,509,041.51

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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.