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Finding the Fourth Proportional to 70,594,285.68, 105,897,531.60 and 19,476,303.48

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Solution

The fourth proportional to 70,594,285.68, 105,897,531.60 and 19,476,303.48 is: 29,216,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,594,285.68 : 105,897,531.60 = 19,476,303.48 : x
  2. Step 2: Convert to fraction form
    70,594,285.68/105,897,531.60 = 19,476,303.48/x
  3. Step 3: Cross multiply
    70,594,285.68x = 105,897,531.60 × 19,476,303.48
  4. Step 4: Simplify right side
    70,594,285.68x = 2,062,492,463,224,490
  5. Step 5: Solve for x
    x = 2,062,492,463,224,490/70,594,285.68
  6. Step 6: Final answer
    x = 29,216,139.00

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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.