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Finding the Fourth Proportional to 145,898.63, 218,829.50 and 46,068.92

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Solution

The fourth proportional to 145,898.63, 218,829.50 and 46,068.92 is: 69,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,898.63 : 218,829.50 = 46,068.92 : x
  2. Step 2: Convert to fraction form
    145,898.63/218,829.50 = 46,068.92/x
  3. Step 3: Cross multiply
    145,898.63x = 218,829.50 × 46,068.92
  4. Step 4: Simplify right side
    145,898.63x = 10,081,238,398.02
  5. Step 5: Solve for x
    x = 10,081,238,398.02/145,898.63
  6. Step 6: Final answer
    x = 69,097.55

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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.