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Finding the Fourth Proportional to 169,480,802.80, 254,221,204.20 and 54,476,970.40

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Solution

The fourth proportional to 169,480,802.80, 254,221,204.20 and 54,476,970.40 is: 81,715,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,480,802.80 : 254,221,204.20 = 54,476,970.40 : x
  2. Step 2: Convert to fraction form
    169,480,802.80/254,221,204.20 = 54,476,970.40/x
  3. Step 3: Cross multiply
    169,480,802.80x = 254,221,204.20 × 54,476,970.40
  4. Step 4: Simplify right side
    169,480,802.80x = 13,849,201,016,255,754
  5. Step 5: Solve for x
    x = 13,849,201,016,255,754/169,480,802.80
  6. Step 6: Final answer
    x = 81,715,455.60

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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.