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Finding the Fourth Proportional to 168,502,117.10, 236,221,468.90 and 168,502,117.10

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Solution

The fourth proportional to 168,502,117.10, 236,221,468.90 and 168,502,117.10 is: 236,221,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,117.10 : 236,221,468.90 = 168,502,117.10 : x
  2. Step 2: Convert to fraction form
    168,502,117.10/236,221,468.90 = 168,502,117.10/x
  3. Step 3: Cross multiply
    168,502,117.10x = 236,221,468.90 × 168,502,117.10
  4. Step 4: Simplify right side
    168,502,117.10x = 39,803,817,614,121,808
  5. Step 5: Solve for x
    x = 39,803,817,614,121,808/168,502,117.10
  6. Step 6: Final answer
    x = 236,221,468.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.