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Finding the Fourth Proportional to 155,556, 233,368.56 and 57,060

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Solution

The fourth proportional to 155,556, 233,368.56 and 57,060 is: 85,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,556 : 233,368.56 = 57,060 : x
  2. Step 2: Convert to fraction form
    155,556/233,368.56 = 57,060/x
  3. Step 3: Cross multiply
    155,556x = 233,368.56 × 57,060
  4. Step 4: Simplify right side
    155,556x = 13,316,010,033.60
  5. Step 5: Solve for x
    x = 13,316,010,033.60/155,556
  6. Step 6: Final answer
    x = 85,602.68

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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.