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Finding the Fourth Proportional to 157,789,287.40, 236,683,931.10 and 157,789,287.40

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Solution

The fourth proportional to 157,789,287.40, 236,683,931.10 and 157,789,287.40 is: 236,683,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,789,287.40 : 236,683,931.10 = 157,789,287.40 : x
  2. Step 2: Convert to fraction form
    157,789,287.40/236,683,931.10 = 157,789,287.40/x
  3. Step 3: Cross multiply
    157,789,287.40x = 236,683,931.10 × 157,789,287.40
  4. Step 4: Simplify right side
    157,789,287.40x = 37,346,188,827,299,696
  5. Step 5: Solve for x
    x = 37,346,188,827,299,696/157,789,287.40
  6. Step 6: Final answer
    x = 236,683,931.10

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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.