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Finding the Fourth Proportional to 177,547.80, 265,884.30 and 118,061.40

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Solution

The fourth proportional to 177,547.80, 265,884.30 and 118,061.40 is: 176,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,547.80 : 265,884.30 = 118,061.40 : x
  2. Step 2: Convert to fraction form
    177,547.80/265,884.30 = 118,061.40/x
  3. Step 3: Cross multiply
    177,547.80x = 265,884.30 × 118,061.40
  4. Step 4: Simplify right side
    177,547.80x = 31,390,672,696.02
  5. Step 5: Solve for x
    x = 31,390,672,696.02/177,547.80
  6. Step 6: Final answer
    x = 176,801.25

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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.