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Finding the Fourth Proportional to 46,746,007.80, 70,119,011.70 and 43,344,785.40

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Solution

The fourth proportional to 46,746,007.80, 70,119,011.70 and 43,344,785.40 is: 65,017,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,746,007.80 : 70,119,011.70 = 43,344,785.40 : x
  2. Step 2: Convert to fraction form
    46,746,007.80/70,119,011.70 = 43,344,785.40/x
  3. Step 3: Cross multiply
    46,746,007.80x = 70,119,011.70 × 43,344,785.40
  4. Step 4: Simplify right side
    46,746,007.80x = 3,039,293,514,596,589
  5. Step 5: Solve for x
    x = 3,039,293,514,596,589/46,746,007.80
  6. Step 6: Final answer
    x = 65,017,178.10

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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.