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Finding the Fourth Proportional to 107,697,640.80, 161,547,382.80 and 35,894,056.80

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Solution

The fourth proportional to 107,697,640.80, 161,547,382.80 and 35,894,056.80 is: 53,841,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,697,640.80 : 161,547,382.80 = 35,894,056.80 : x
  2. Step 2: Convert to fraction form
    107,697,640.80/161,547,382.80 = 35,894,056.80/x
  3. Step 3: Cross multiply
    107,697,640.80x = 161,547,382.80 × 35,894,056.80
  4. Step 4: Simplify right side
    107,697,640.80x = 5,798,590,934,114,543
  5. Step 5: Solve for x
    x = 5,798,590,934,114,543/107,697,640.80
  6. Step 6: Final answer
    x = 53,841,392.36

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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.