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Finding the Fourth Proportional to 144,104.40, 215,897.40 and 123,368.40

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Solution

The fourth proportional to 144,104.40, 215,897.40 and 123,368.40 is: 184,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,104.40 : 215,897.40 = 123,368.40 : x
  2. Step 2: Convert to fraction form
    144,104.40/215,897.40 = 123,368.40/x
  3. Step 3: Cross multiply
    144,104.40x = 215,897.40 × 123,368.40
  4. Step 4: Simplify right side
    144,104.40x = 26,634,916,802.16
  5. Step 5: Solve for x
    x = 26,634,916,802.16/144,104.40
  6. Step 6: Final answer
    x = 184,830.70

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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.