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Finding the Fourth Proportional to 355,485.51, 533,117.43 and 118,773

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Solution

The fourth proportional to 355,485.51, 533,117.43 and 118,773 is: 178,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,485.51 : 533,117.43 = 118,773 : x
  2. Step 2: Convert to fraction form
    355,485.51/533,117.43 = 118,773/x
  3. Step 3: Cross multiply
    355,485.51x = 533,117.43 × 118,773
  4. Step 4: Simplify right side
    355,485.51x = 63,319,956,513.39
  5. Step 5: Solve for x
    x = 63,319,956,513.39/355,485.51
  6. Step 6: Final answer
    x = 178,122.47

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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.