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Finding the Fourth Proportional to 167,866,574.40, 251,799,861.60 and 46,698,026.40

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Solution

The fourth proportional to 167,866,574.40, 251,799,861.60 and 46,698,026.40 is: 70,047,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,866,574.40 : 251,799,861.60 = 46,698,026.40 : x
  2. Step 2: Convert to fraction form
    167,866,574.40/251,799,861.60 = 46,698,026.40/x
  3. Step 3: Cross multiply
    167,866,574.40x = 251,799,861.60 × 46,698,026.40
  4. Step 4: Simplify right side
    167,866,574.40x = 11,758,556,584,513,146
  5. Step 5: Solve for x
    x = 11,758,556,584,513,146/167,866,574.40
  6. Step 6: Final answer
    x = 70,047,039.60

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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.