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Finding the Fourth Proportional to 99,668,045.93, 149,502,068.89 and 99,668,045.93

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Solution

The fourth proportional to 99,668,045.93, 149,502,068.89 and 99,668,045.93 is: 149,502,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,045.93 : 149,502,068.89 = 99,668,045.93 : x
  2. Step 2: Convert to fraction form
    99,668,045.93/149,502,068.89 = 99,668,045.93/x
  3. Step 3: Cross multiply
    99,668,045.93x = 149,502,068.89 × 99,668,045.93
  4. Step 4: Simplify right side
    99,668,045.93x = 14,900,579,067,761,862
  5. Step 5: Solve for x
    x = 14,900,579,067,761,862/99,668,045.93
  6. Step 6: Final answer
    x = 149,502,068.89

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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.