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Finding the Fourth Proportional to 242,068.80, 362,973.60 and 101,668.80

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Solution

The fourth proportional to 242,068.80, 362,973.60 and 101,668.80 is: 152,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,068.80 : 362,973.60 = 101,668.80 : x
  2. Step 2: Convert to fraction form
    242,068.80/362,973.60 = 101,668.80/x
  3. Step 3: Cross multiply
    242,068.80x = 362,973.60 × 101,668.80
  4. Step 4: Simplify right side
    242,068.80x = 36,903,090,343.68
  5. Step 5: Solve for x
    x = 36,903,090,343.68/242,068.80
  6. Step 6: Final answer
    x = 152,448.77

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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.