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Finding the Fourth Proportional to 176,875.60, 265,345.80 and 71,705.20

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Solution

The fourth proportional to 176,875.60, 265,345.80 and 71,705.20 is: 107,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,875.60 : 265,345.80 = 71,705.20 : x
  2. Step 2: Convert to fraction form
    176,875.60/265,345.80 = 71,705.20/x
  3. Step 3: Cross multiply
    176,875.60x = 265,345.80 × 71,705.20
  4. Step 4: Simplify right side
    176,875.60x = 19,026,673,658.16
  5. Step 5: Solve for x
    x = 19,026,673,658.16/176,875.60
  6. Step 6: Final answer
    x = 107,570.93

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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.