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Finding the Fourth Proportional to 64,768,018.40, 97,152,027.60 and 16,898,962.40

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Solution

The fourth proportional to 64,768,018.40, 97,152,027.60 and 16,898,962.40 is: 25,348,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,768,018.40 : 97,152,027.60 = 16,898,962.40 : x
  2. Step 2: Convert to fraction form
    64,768,018.40/97,152,027.60 = 16,898,962.40/x
  3. Step 3: Cross multiply
    64,768,018.40x = 97,152,027.60 × 16,898,962.40
  4. Step 4: Simplify right side
    64,768,018.40x = 1,641,768,461,496,162
  5. Step 5: Solve for x
    x = 1,641,768,461,496,162/64,768,018.40
  6. Step 6: Final answer
    x = 25,348,443.60

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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.