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Finding the Fourth Proportional to 153,304.65, 229,957.76 and 46,689.55

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Solution

The fourth proportional to 153,304.65, 229,957.76 and 46,689.55 is: 70,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,304.65 : 229,957.76 = 46,689.55 : x
  2. Step 2: Convert to fraction form
    153,304.65/229,957.76 = 46,689.55/x
  3. Step 3: Cross multiply
    153,304.65x = 229,957.76 × 46,689.55
  4. Step 4: Simplify right side
    153,304.65x = 10,736,623,875.24
  5. Step 5: Solve for x
    x = 10,736,623,875.24/153,304.65
  6. Step 6: Final answer
    x = 70,034.56

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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.