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Finding the Fourth Proportional to 164,646,641.05, 246,971,308.40 and 53,980,695.81

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Solution

The fourth proportional to 164,646,641.05, 246,971,308.40 and 53,980,695.81 is: 80,971,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,646,641.05 : 246,971,308.40 = 53,980,695.81 : x
  2. Step 2: Convert to fraction form
    164,646,641.05/246,971,308.40 = 53,980,695.81/x
  3. Step 3: Cross multiply
    164,646,641.05x = 246,971,308.40 × 53,980,695.81
  4. Step 4: Simplify right side
    164,646,641.05x = 13,331,683,072,268,196
  5. Step 5: Solve for x
    x = 13,331,683,072,268,196/164,646,641.05
  6. Step 6: Final answer
    x = 80,971,485.28

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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.